TY  - RPRT
TI  - Letter: Fetoplacental function tests.
AU  - L G Rao
PY  - 1974
DO  - 10.1016/s0140-6736(74)92310-1
UR  - https://pubmed.ncbi.nlm.nih.gov/4129227/
ID  - 4129227
ER  -