TY  - RPRT
TI  - Risk scoring for preterm labor: where do we go from here?
AU  - D M Main
AU  - S G Gabbe
PY  - 1987
DO  - 10.1016/s0002-9378(87)80056-x
UR  - https://pubmed.ncbi.nlm.nih.gov/3674151/
ID  - 3674151
ER  -