TY  - GEN
AU  - Hickok,D E
AU  - Gordon,D C
AU  - Milberg,J A
AU  - Williams,M A
AU  - Daling,J R
TI  - The frequency of breech presentation by gestational age at birth: a large population-based study
SN  - 0002-9378
PY  - 1992///0420
KW  - Birth Certificates
KW  - Breech Presentation
KW  - Female
KW  - Gestational Age
KW  - Humans
KW  - Labor, Obstetric
KW  - Pregnancy
KW  - Ultrasonography, Prenatal
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1016/0002-9378(92)91347-d
ER  -