Reference period analysis of vaginal bleeding with triphasic oral contraceptive agents containing norethindrone or levonorgestrel: a comparison study.
Year: 1992
Type: article
Source: PubMed
Authors: B E Schwarz, C Pierce, C E Walden, R H Knopp
Language: English
Field: Medicine
Domain: Health Sciences
Open Access status: closed
OpenAlex ID: W2296758833
