TY  - GEN
AU  - McCAIN,J R
AU  - ANDERSON,C L
AU  - LESTER,W M
AU  - PILKINGTON,J W
TI  - Prolonged labor; clinical evaluation
SN  - 0002-9955
PY  - 2003///0501
KW  - Female
KW  - Humans
KW  - Labor, Obstetric
KW  - Pregnancy
KW  - Time Factors
KW  - Work
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1001/jama.1953.02940250001001
ER  -