TY  - RPRT
TI  - Prolonged labor; clinical evaluation.
AU  - J R McCAIN
AU  - C L ANDERSON
AU  - W M LESTER
AU  - J W PILKINGTON
PY  - 1953
DO  - 10.1001/jama.1953.02940250001001
UR  - https://pubmed.ncbi.nlm.nih.gov/13096276/
ID  - 13096276
ER  -