Bengt Källén

• Drugs during pregnancy
• Epidemiology of Human Congenital Malformations
• Maternal Drug Use and Infant Congenital Malformations
• Contributions to the ontogeny of the nuclei and the ventricular sulci in the vertebrate forebrain
• Drugs during pregnancy
• Ein Fall von Kryptophthalmus
• Embryological studies on the nuclei and their homologization in the vertebrate forebrain
• On the segmentation of the central nervous system
• The nuclear development in the mammalian forebrain