TY  - GEN
AU  - Frank,J M
AU  - Durm,M W
TI  - Is sex of fetus associated with duration of labor in nulliparas?
SN  - 0033-2941
PY  - 1998///0112
KW  - Female
KW  - Humans
KW  - Infant, Newborn
KW  - Labor, Obstetric
KW  - psychology
KW  - Male
KW  - Pregnancy
KW  - Sex Characteristics
KW  - Time Factors
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.2466/pr0.1997.81.3.846
ER  -