The chinese ring: a contraceptive intrauterine device.
MacDonald
Taylor L
TL
Kirksville College of Osteopathic Medicine, Missouri, USA.
Gerscovich
Eugenio O
EO
McGahan
John P
JP
Fogata
Maria
M
D000328:Adult; D005260:Female; D005547:Foreign Bodies / Q000000981:diagnostic imaging*; D006801:Humans; D007434:Intrauterine Devices; D013193:Stainless Steel; D014463:Ultrasonography
D013193:Stainless Steel