1. Drug use in first pregnancy and lactation: a population-based survey among Danish women;Olesen;Eur J Clin Pharmacol,1999
2. Drug use during pregnancy: survey in 250 women consulting at a university hospital center;Damase-Michel;J Gynecol Obstet Biol Reprod (Paris),2000
3. The PEGASUS project: a prospective cohort study for the investigation of drug use in pregnancy;Irl;Int J Clin Pharmacol Ther,1997
4. Drugs in pregnancy and lactation: a reference guide to fetal and neonatal risk;Briggs,1994