1. CHILDREN, DROGUES - SCIENCES PHARMACEUTIQUES/CHIMIE ET UTILISATION NON MÉDICALE DES DROGUES, DRUG, DRUGS, DRUGS- PHARMACEUTICAL SCIENCE/CHEMISTRY & NON MEDICAL USE OF DRUGS, FETUS, GROSSESSE/ACCOUCHEMENT, LES MEDICAMENTS, PLACENTA, PLACENTA PERFUSION, PREGNANCY, PREGNANCY/BIRTH, REPRODUCTION/GROSSESSE, REPRODUCTION/PREGNANCY Abstract: