TY  - RPRT
TI  - Cervical incompetence: preliminary evaluation with MR imaging.
AU  - H Hricak
AU  - Y C Chang
AU  - C E Cann
AU  - J T Parer
PY  - 1990
DO  - 10.1148/radiology.174.3.2305065
UR  - https://pubmed.ncbi.nlm.nih.gov/2305065/
ID  - 2305065
ER  -