@misc{indiciaec100455c44f4, title = {Second-trimester fetoscopy and fetal blood sampling: current limitations and problems.}, author = {M D Levine and D E McNeil and M M Kaback and R E Frazer and D M Okada and C J Hobel}, year = {1974}, doi = {10.1016/0002-9378(74)90342-1}, url = {https://pubmed.ncbi.nlm.nih.gov/4473895/}, note = {Source identifier: 4473895} }