TY  - RPRT
TI  - Percutaneous umbilical blood sampling.
AU  - R A Sacher
AU  - S C Falchuk
PY  - 1990
DO  - 10.3109/10408369009105896
UR  - https://pubmed.ncbi.nlm.nih.gov/2121158/
ID  - 2121158
ER  -