TY  - RPRT
TI  - Intrauterine devices.
AU  - P A Corfman
AU  - S Segal
PY  - 1967
DO  - 10.1126/science.156.3778.1136
UR  - https://pubmed.ncbi.nlm.nih.gov/6067239/
ID  - 6067239
ER  -