TY  - RPRT
TI  - Second-trimester fetoscopy and fetal blood sampling: current limitations and problems.
AU  - M D Levine
AU  - D E McNeil
AU  - M M Kaback
AU  - R E Frazer
AU  - D M Okada
AU  - C J Hobel
PY  - 1974
DO  - 10.1016/0002-9378(74)90342-1
UR  - https://pubmed.ncbi.nlm.nih.gov/4473895/
ID  - 4473895
ER  -