TY  - RPRT
TI  - Relationship between Grade III placentas and biparietal diameter determinations.
AU  - S S Ashton
AU  - M P Russo
AU  - N V Simon
AU  - D M Shearer
PY  - 1983
DO  - 10.7863/jum.1983.2.3.127
UR  - https://pubmed.ncbi.nlm.nih.gov/6842671/
ID  - 6842671
ER  -