TY  - GEN
AU  - Fonseca,E B
TI  - [Is natural progesterone the drug choice in the primary prevention of premature labor?]
SN  - 0104-4230
PY  - 2002///0617
KW  - Female
KW  - Humans
KW  - Obstetric Labor, Premature
KW  - prevention & control
KW  - Pregnancy
KW  - Progesterone
KW  - administration & dosage
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1590/s0104-42302001000400015
ER  -