title: Letter: thiopurines during pregnancy and intrauterine exposure to metabolites.
authors.forename: N K H
authors.initials: NK
authors.lastname: de Boer
authors.forename: B
authors.initials: B
authors.lastname: Jharap
authors.forename: M L
authors.initials: ML
authors.lastname: Seinen
authors.forename: A A
authors.initials: AA
authors.lastname: van Bodegraven
mesh_terms: D005260:Female; D006801:Humans; D007166:Immunosuppressive Agents / Q000627:therapeutic use*; D015212:Inflammatory Bowel Diseases / Q000188:drug therapy*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000188:drug therapy*
chemical_list: D007166:Immunosuppressive Agents