@misc{indiciaeaff1ec6560b7, title = {First trimester prenatal diagnosis.}, author = {Ray O Bahado-Singh and Chen S Chee Cheng}, year = {2004}, doi = {10.1097/00001703-200404000-00014}, url = {https://pubmed.ncbi.nlm.nih.gov/15017349/}, note = {Source identifier: 15017349} }