TY  - RPRT
TI  - Progesterone and preterm birth.
AU  - Shlomit Riskin-Mashiah
PY  - 2004
DO  - 10.1016/j.ajog.2003.12.043
UR  - https://pubmed.ncbi.nlm.nih.gov/15290822/
ID  - 15290822
ER  -