Published in Stat Med on July 01, 1991
Effect of outer membrane vesicle vaccine against group B meningococcal disease in Norway. Lancet (1991) 6.26
Asymptomatic carriage of Neisseria meningitidis in a randomly sampled population. J Clin Microbiol (1994) 4.95
Birthweight by gestational age in Norway. Acta Obstet Gynecol Scand (2000) 3.00
Interior surface materials in the home and the development of bronchial obstruction in young children in Oslo, Norway. Am J Public Health (1999) 2.22
Perinatal mortality by birth order within cohorts based on sibship size. Br Med J (1979) 2.12
Exposure to pets and atopy-related diseases in the first 4 years of life. Allergy (2001) 2.11
Changing paternity and time since last pregnancy; the impact on pre-eclampsia risk. A study of 547 238 women with and without previous pre-eclampsia. Int J Epidemiol (2001) 1.74
A placebo-controlled study of high dose buprenorphine in opiate dependents waiting for medication-assisted rehabilitation in Oslo, Norway. Addiction (2002) 1.72
Predicting zygosity in Norwegian twin pairs born 1915-1960. Clin Genet (1983) 1.68
Factor VIII and factor IX in a twin population. Evidence for a major effect of ABO locus on factor VIII level. Am J Hum Genet (1985) 1.66
Use of cod liver oil during pregnancy associated with lower risk of Type I diabetes in the offspring. Diabetologia (2000) 1.60
Gynaecological impact of sexual and physical abuse by spouse. A study of a random sample of Norwegian women. Br J Obstet Gynaecol (1989) 1.60
Rapid changes in the prevalence of obesity and known diabetes in an adult Norwegian population. The Nord-Trøndelag Health Surveys: 1984-1986 and 1995-1997. Diabetes Care (1999) 1.59
Mothers' birth weight and survival of their offspring: population based study. BMJ (1997) 1.52
Routine ultrasonography in utero and subsequent vision and hearing at primary school age. Ultrasound Obstet Gynecol (1992) 1.52
The Autism Birth Cohort: a paradigm for gene-environment-timing research. Mol Psychiatry (2010) 1.51
The effect of sex education on adolescents' use of condoms: applying the Solomon four-group design. Health Educ Q (1996) 1.50
Surveillance of congenital malformations and other conditions of the newborn. Int J Epidemiol (1975) 1.49
Education policy and the heritability of educational attainment. Nature (1985) 1.48
Cluster headache prevalence. Vågå study of headache epidemiology. Cephalalgia (2003) 1.48
Genetic and environmental contributions to the relationship between education and anxiety disorders - a twin study. Acta Psychiatr Scand (2011) 1.45
Randomised controlled trial of ultrasonographic screening in pregnancy. Lancet (1984) 1.45
Pre- and post-natal growth in children of women who smoked in pregnancy. Early Hum Dev (1996) 1.44
The prevalence of allergy to egg: a population-based study in young children. Allergy (2001) 1.44
Genetic influence on parent-reported attention-related problems in a Norwegian general population twin sample. J Am Acad Child Adolesc Psychiatry (1996) 1.41
The tendency to repeat gestational age and birth weight in successive births. Am J Obstet Gynecol (1979) 1.39
Day care centers and respiratory health. Pediatrics (1999) 1.38
Ventilation in homes and bronchial obstruction in young children. Epidemiology (1999) 1.38
Residential dampness problems and symptoms and signs of bronchial obstruction in young Norwegian children. Am J Respir Crit Care Med (1998) 1.35
Obstetric service and perinatal mortality in Norway. Acta Obstet Gynecol Scand Suppl (1978) 1.34
Serial mass-media campaigns to promote physical activity: reinforcing or redundant? Am J Public Health (1995) 1.34
Breast feeding and cognitive development at age 1 and 5 years. Arch Dis Child (2001) 1.32
Chronic bronchitis in farmers. Scand J Work Environ Health (1997) 1.31
Declining mortality from ischemic heart disease and cerebrovascular disease in Australia. Am J Epidemiol (1989) 1.30
A rare CYP19 (aromatase) variant may increase the risk of breast cancer. Pharmacogenetics (1998) 1.30
The association between physical workload and low back pain clouded by the "healthy worker" effect: population-based cross-sectional and 5-year prospective questionnaire study. Spine (Phila Pa 1976) (2001) 1.26
Respiratory symptoms and lung function of aluminum potroom workers. Scand J Work Environ Health (1990) 1.25
Genetic and environmental contributions to the covariance between occupational status, educational attainment, and IQ: a study of twins. Behav Genet (1989) 1.24
Environmental tobacco smoke, parental atopy, and childhood asthma. Environ Health Perspect (2001) 1.24
Prenatal growth in symmetric and asymmetric small-for-gestational-age infants. Early Hum Dev (1997) 1.22
Consanguinity and recurrence risk of birth defects: a population-based study. Am J Med Genet (1999) 1.21
Novel 2- and 5-azido-N-(diphenylcarbamoyl)proline methyl esters. Examples of a novel proline oxidation. Acta Crystallogr C (1995) 1.21
Only a minor part of cerebral palsy cases begin in labour. But still room for controversial childbirth issues in court. BMJ (1999) 1.19
Sex-specific effects for body mass index in the new Norwegian twin panel. Genet Epidemiol (1995) 1.18
Birth weight and childhood onset type 1 diabetes: population based cohort study. BMJ (2001) 1.18
Screening for toxoplasmosis in pregnancy: what is the evidence of reducing a health problem? J Med Screen (1996) 1.18
Birth defects and parental consanguinity in Norway. Am J Epidemiol (1997) 1.17
The epidemiology of respiratory distress syndrome in Norway. Am J Epidemiol (1978) 1.16
The familial risk of endometriosis. Acta Obstet Gynecol Scand (1993) 1.15
Prevalence of cervicogenic headache: Vågå study of headache epidemiology. Acta Neurol Scand (2007) 1.15
Early respiratory infections and childhood asthma. Pediatrics (2000) 1.14
Combined effect of smoking and human papillomavirus type 16 infection in cervical carcinogenesis. Epidemiology (1998) 1.13
Smoking in pregnancy and children's mental and motor development at age 1 and 5 years. Early Hum Dev (1999) 1.13
Routine ultrasonography in utero and school performance at age 8-9 years. Lancet (1992) 1.12
Prevalence and persistence of stomach ache and headache among children. Follow-up of a cohort of Norwegian children from 4 to 10 years of age. Acta Paediatr (1994) 1.12
Differences in mortality rates and causes of death between HIV positive and HIV negative intravenous drug users. Int J Epidemiol (1993) 1.09
Trends in cardiovascular risk factors in Australia. Results from the National Heart Foundation's Risk Factor Prevalence Study, 1980-1989. Med J Aust (1994) 1.09
Maternal and paternal age at delivery, birth order, and risk of childhood onset type 1 diabetes: population based cohort study. BMJ (2001) 1.09
Distribution and heritability of recurrent ear infections. Ann Otol Rhinol Laryngol (1997) 1.08
Routine ultrasonography in utero and subsequent handedness and neurological development. BMJ (1993) 1.08
Consanguinity and recurrence risk of stillbirth and infant death. Am J Public Health (1999) 1.08
Nicotine concentration in the hair of nonsmoking mothers and size of offspring. Am J Public Health (1998) 1.07
Human papillomavirus and cervical intraepithelial neoplasia grade II-III: a population-based case-control study. Int J Cancer (1995) 1.07
Foetal growth and duration of gestation relative to water chlorination. Occup Environ Med (2001) 1.07
Risk factors associated with the occurrence of preterm birth. Clin Obstet Gynecol (1984) 1.07
Birthweight percentiles by gestational age in multiple births. A population-based study of Norwegian twins and triplets. Acta Obstet Gynecol Scand (2000) 1.07
Baby swimming increases the risk of recurrent respiratory tract infections and otitis media. Acta Paediatr (2003) 1.07
Comparison of induced versus non-induced labor in post-term pregnancy. A randomized prospective study. Acta Obstet Gynecol Scand (1989) 1.06
Parental determinants of birth weight. Clin Genet (1984) 1.06
Cesarean section among immigrants in Norway. Acta Obstet Gynecol Scand (2000) 1.06
Familial clustering in the polycystic ovarian syndrome. Gynecol Obstet Invest (1989) 1.06
Association of parental consanguinity with decreased birth weight and increased rate of early death and congenital malformations. Clin Genet (1985) 1.06
Associations between outdoor air pollutants and hospitalization for respiratory diseases. Epidemiology (2000) 1.05
Genetic and environmental contributions to the correlation between alcohol consumption and symptoms of anxiety and depression. Results from a bivariate analysis of Norwegian twin data. Behav Genet (1997) 1.05
Risk of childhood asthma and allergic rhinitis in relation to pregnancy complications. J Allergy Clin Immunol (2000) 1.05
Exposure to nitrogen dioxide and the occurrence of bronchial obstruction in children below 2 years. Int J Epidemiol (1998) 1.04
Risk behavior in Norwegian blood donors. Transfusion (2001) 1.04
Hepatitis B antibodies in HIV-infected homosexual men are associated with more rapid progression to AIDS. AIDS (1992) 1.04
The Vågå study of headache epidemiology II. Jabs: clinical manifestations. Acta Neurol Scand (2002) 1.03
Aluminium potroom asthma: the Norwegian experience. Eur Respir J (1994) 1.03
Results of an efficacy trial with an outer membrane vesicle vaccine against systemic serogroup B meningococcal disease in Norway. NIPH Ann (1991) 1.02
Can the increasing weight of Australians be explained by the decreasing prevalence of cigarette smoking? Int J Obes Relat Metab Disord (1994) 1.02
The association between maternal education and postneonatal mortality. Trends in Norway, 1968-1991. Int J Epidemiol (1996) 1.02
Morbidity during the first year of life in small for gestational age infants. Arch Dis Child Fetal Neonatal Ed (1996) 1.02
No evidence for effects of family environment on asthma. A retrospective study of Norwegian twins. Am J Respir Crit Care Med (1997) 1.01
Access to intensive neonatal care and neonatal survival in low birthweight infants: a population study in Norway. Paediatr Perinat Epidemiol (1987) 1.01
Causes of variation in birth weight: a study of offspring of twins. Clin Genet (1984) 1.01
The prevalence of CMA/CMPI in young children: the validity of parentally perceived reactions in a population-based study. Allergy (2001) 1.00
Seropositivity against HPV 16 capsids: a better marker of past sexual behaviour than presence of HPV DNA. Genitourin Med (1997) 0.99
Risk behaviour among blood donors who give blood in order to be tested for the human immunodeficiency virus. Vox Sang (2001) 0.99
Correlations of birth weight and gestational age across generations. Ann Hum Biol (1993) 0.99
The effect of recurrent miscarriage and infertility on the risk of pre-eclampsia. BJOG (2009) 0.98
Changing prevalence of asthma in school children: evidence for diagnostic changes in asthma in two surveys 13 yrs apart. Eur Respir J (1997) 0.97
Hair nicotine concentrations in mothers and children in relation to parental smoking. J Expo Anal Environ Epidemiol (1997) 0.97
The Vågå study; epidemiology of headache I: the prevalence of ultrashort paroxysms. Cephalalgia (2001) 0.96