L. Pijpers

The risk of spina bifida aperta after first-trimester exposure to valproate in a prenatal cohort.

Juliette G. C. Omtzigt, Frans J. Los, Diederick E. Grobbee et al. · PubMed · 1992 · 256 citations

Spina Bifida Aperta, Fetal Medicine, Gynecology +11

Trisomy 21 mosaicism in gonads with unexpectedly high recurrence risks

E. S. Sachs, M. G. J. Jahoda, Frans J. Los et al. · American Journal of Medical Genetics · 2005 · 88 citations

Fertility, Cytogenetics, Genetics +19

Genetic amniocentesis in twin pregnancies

L. Pijpers, M. G. J. Jahoda, R. Vosters et al. · BJOG An International Journal of Obstetrics & Gynaecology · 1988 · 56 citations

Infertility, Genetic Amniocentesis, Fertility +14

Fetal cystic hygroma: prenatal diagnosis and management.

L. Pijpers, A. Reuss, Patricia A. Stewart et al. · PubMed · 1988 · 49 citations

Fetal Cystic Hygroma, Developmental Anomaly, Cystic Hygroma +10

The disposition of valproate and its metabolites in the late first trimester and early second trimester of pregnancy in maternal serum, urine, and amniotic fluid: Effect of dose, co-medication, and the presence of spina bifida

Juliette G. C. Omtzigt, Heinz Nau, Frans J. Los et al. · European Journal of Clinical Pharmacology · 1992 · 44 citations

Medicine, Gynecology, Maternal Health +5