TY  - RPRT
TI  - Cervical factors in infertility.
AU  - M Lemert
AU  - L Mastroianni
PY  - 1974
DO  - 10.1097/00003081-197412000-00003
UR  - https://pubmed.ncbi.nlm.nih.gov/4615862/
ID  - 4615862
ER  -