A population-based case-control teratologic study of ampicillin treatment during pregnancy

First 25 years of the Hungarian congenital abnormality registry

1997 • 243 citations

First-trimester drug use and congenital disorders

1981 • 195 citations

What proportion of congenital abnormalities can be prevented?

1993 • 194 citations

First-Trimester Drug Use and Congenital Disorders

1981 • 179 citations

EXOGENOUS HORMONES AND OTHER DRUG EXPOSURES OF CHILDREN WITH CONGENITAL HEART DISEASE1

1979 • 165 citations

Congenital Heart Disease in Relation to Maternal Use of Bendectin and Other Drugs in Early Pregnancy

1985 • 157 citations

Evaluation of drug intake during pregnancy in the Hungarian case‐control surveillance of congenital anomalies

1990 • 99 citations

Multiple congenital abnormalities

1988 • 96 citations

Transfer of ampicillin into fetus and amniotic fluid from maternal plasma in late pregnancy

1966 • 90 citations

Use of antibiotics during pregnancy

1998 • 59 citations

Placental transfer of ampicillin

1966 • 50 citations

Person-to-Person Transfer of Transdermal Drug-Delivery Systems: A Case Report

1986 • 45 citations

The effects of drugs on the fetus and nursing infant

1996 • 40 citations

Drug Use in Pregnancy and Congenital Heart Disease in Offspring

1986 • 18 citations

Study of ampicillin levels in maternal serum, umbilical cord serum and amniotic fluid following administration of pivampicillin

1980 • 9 citations

Effect of ampicillin and oxacillin on fetal and neonatal development

1981 • 2 citations

[Effect of ampicillin and oxacillin on fetal and neonatal development].

1981 • 1 citations