@misc{indiciae10ee07e01133, title = {Malformations due to toxic influences.}, author = {B Källén}, year = {1968}, doi = {10.1111/j.1755-3768.1968.tb02811.x}, url = {https://pubmed.ncbi.nlm.nih.gov/4884928/}, note = {Source identifier: 4884928} }