@misc{indiciae3348f746d9b7, title = {New developments in fetal echocardiography.}, author = {P J Spevak}, year = {1997}, doi = {10.1097/00001573-199701000-00012}, url = {https://pubmed.ncbi.nlm.nih.gov/9132085/}, note = {Source identifier: 9132085} }