Published in Natl Vital Stat Rep on December 02, 1999
Sampling variability in the microbiological evaluation of expectorated sputa and endotracheal aspirates. J Clin Microbiol (2001) 0.95
Trends in major modifiable risk factors for severe perineal trauma, 1996-2006. Int J Gynaecol Obstet (2008) 0.89
Collecting population-based perinatal data efficiently: the example of the Lebanese National Perinatal Survey. Paediatr Perinat Epidemiol (2006) 0.78
A model for the distribution of daily number of births in obstetric clinics based on a descriptive retrospective study. BMJ Open (2013) 0.75
What started your labor? Responses from mothers in the third pregnancy, infection, and nutrition study. J Perinat Educ (2014) 0.75
A retrospective cohort study of factors relating to the longitudinal change in birth weight. BMC Pregnancy Childbirth (2015) 0.75
Births: final data for 1999. Natl Vital Stat Rep (2001) 1.93
Trends in cesarean birth and vaginal birth after previous cesarean, 1991-99. Natl Vital Stat Rep (2001) 1.44
Trends in twin and triplet births: 1980-97. Natl Vital Stat Rep (1999) 1.42
Births: final data for 1997. Natl Vital Stat Rep (1999) 1.30
Births: final data for 1998. Natl Vital Stat Rep (2000) 1.29
Changes in indications for cesarean delivery: United States, 1985 and 1994. Am J Public Health (1998) 1.22
Trends in pregnancies and pregnancy rates by outcome: estimates for the United States, 1976-96. Vital Health Stat 21 (2000) 1.10
Highlights of trends in pregnancies and pregnancy rates by outcome: estimates for the United States, 1976-96. Natl Vital Stat Rep (1999) 1.08
Report of final natality statistics, 1996. Mon Vital Stat Rep (1998) 1.07
Trends in pregnancy rates for the United States, 1976-97: an update. Natl Vital Stat Rep (2001) 1.07
Infant mortality statistics from the 1998 period linked birth/infant death data set. Natl Vital Stat Rep (2000) 1.03
Characterization of a membrane surface glycoprotein associated with T-cell activation. J Immunol (1985) 0.92
Declines in teenage birth rates, 1991-98: update of national and state trends. Natl Vital Stat Rep (1999) 0.90
An immunofiltration device for the simultaneous detection of non-treponemal and treponemal antibodies in patients with syphilis. Sex Transm Infect (2010) 0.89
Teenage births in the United States: state trends, 1991-96, an update. Mon Vital Stat Rep (1998) 0.86
Variations in teenage birth rates, 1991-98: national and state trends. Natl Vital Stat Rep (2000) 0.83
Births: preliminary data for 1999. Natl Vital Stat Rep (2000) 0.83
Childhood agricultural and adult occupational exposures to organic dusts in a population-based case-control study of systemic lupus erythematosus. Lupus (2008) 0.82
Monoclonal antibody against K562 cell line accelerates killing of the target cells by large granular lymphocytes. Cell Immunol (1984) 0.79
Births of Hispanic origin, 1989-95. Mon Vital Stat Rep (1998) 0.78
Studies of immune responses during recovery from Sindbis virus encephalitis in selectively reconstituted, thymectomized, lethally irradiated mice. Infect Immun (1981) 0.77
Use of synthetic cardiolipin and lecithin in the antigen used by the venereal disease research laboratory test for serodiagnosis of syphilis. Clin Diagn Lab Immunol (2000) 0.75
Declines in teenage birth rates, 1991-97: national and state patterns. Natl Vital Stat Rep (1998) 0.75
Immune responses to acute alphavirus infection of the central nervous system: Sindbis virus encephalitis in mice. Prog Brain Res (1983) 0.75
Recent trends in teen births in the United States. Stat Bull Metrop Insur Co (1999) 0.75
Studies on purification of antibodies against tumor-specific antigens. Pahlavi Med J (1978) 0.75
Effect of enhancing antibodies on the generation of cytotoxic T cells in vivo and in vitro. Transplantation (1980) 0.75
An experimental investigation of nitrogen gas produced during denitrification. Ground Water (2007) 0.75