Concepedia

Publication | Closed Access

A multicenter study of levonorgestrel—Estradiol contraceptive vaginal rings I — Use effectiveness

DOI

63

Citations

5

References

1981

Year

Irving Sivin, Daniel R. Mishell, Arne Victor, Francisco Alvarez‐Sánchez, Niels Chr. Nielsen, Oladele Akinla, T Pýörälä, Elsimar Metzker Coutinho, Aníbal Faúndes, Subir Roy,
Contraception

References

YearCitations

Page 1