| Rank | Title | Journal | Year | PubWeight™‹?› |
|---|---|---|---|---|
| 1 | Ultrasound screening for anencephaly at 10-14 weeks of gestation. | Ultrasound Obstet Gynecol | 1997 | 1.37 |
| 2 | Maternal serum testing for alpha-fetoprotein and human chorionic gonadotropin in high-risk pregnancies. | Prenat Diagn | 1996 | 0.76 |