10B 1. Reproductive biology: Contraception—I 337. Plasma concentrations of a progestin R2323 released from vaginal rings
- 30 June 1974
- journal article
- abstracts
- Published by Elsevier in Journal of Steroid Biochemistry
- Vol. 5 (4), 376
- https://doi.org/10.1016/0022-4731(74)90482-8