TY  - RPRT
TI  - Obstetrics.
AU  - M Permezel
AU  - S Grover
PY  - 1994
DO  - 10.5694/j.1326-5377.1994.tb127387.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8035728/
ID  - 8035728
ER  -