TY  - RPRT
TI  - Cervical screening for preterm delivery.
AU  - Alec Welsh
AU  - Kypros Nicolaides
PY  - 2002
DO  - 10.1097/00001703-200204000-00014
UR  - https://pubmed.ncbi.nlm.nih.gov/11914698/
ID  - 11914698
ER  -