TY  - RPRT
TI  - A prerecorded program for the Ball pelvimetry technique.
AU  - E A Friedman
PY  - 1976
DO  - 10.1016/0002-9378(76)90642-6
UR  - https://pubmed.ncbi.nlm.nih.gov/984108/
ID  - 984108
ER  -