@misc{indiciae95024998d147, title = {Preventing congenital abnormalities.}, author = {S N Huddart and A Bianchi and C M Doig and A P Dickson}, year = {1993}, doi = {10.1136/bmj.306.6881.857-a}, url = {https://pubmed.ncbi.nlm.nih.gov/8490393/}, note = {Source identifier: 8490393} }