TY  - RPRT
TI  - Cervical incompetency: a therapeutic enigma.
AU  - A B Weingold
AU  - J I Palmer
AU  - M L Stone
DO  - 10.1016/s0015-0282(16)36609-2
UR  - https://pubmed.ncbi.nlm.nih.gov/4966610/
ID  - 4966610
ER  -