@misc{indiciaee0d7ee1c2108, title = {Multiple pregnancy: a modern epidemic?}, author = {Mark P Umstad and Michael J Gronow}, year = {2003}, doi = {10.5694/j.1326-5377.2003.tb05384.x}, url = {https://pubmed.ncbi.nlm.nih.gov/12797847/}, note = {Source identifier: 12797847} }