TY  - RPRT
TI  - Recent developments in preventing recurrent preterm birth.
AU  - Catherine Y Spong
PY  - 2003
DO  - 10.1016/s0029-7844(03)00372-7
UR  - https://pubmed.ncbi.nlm.nih.gov/12798514/
ID  - 12798514
ER  -