Contraception · 1987 · 33 citations · 7 references
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A five-year clinical trial of levonorgestrel silastic implants (Norplant™)
Margarita Pavez, Patricia Y. Miranda, Dale N. Robertson et al. · Contraception · 1982 · 113 citations
Five-year experience with Norplant®
Biran Affandi, S.S.I. Santoso, Djajadilaga Djajadilaga et al. · Contraception · 1987 · 64 citations
A prospective study of NORPLANT implants and the TCu 380AgIUD in Assiut, Egypt.
Mamdouh M. Shaaban, Maher Salah, Ali Zarzour et al. · PubMed · 1983 · 50 citations
Medicine, Gynecology, Obstetrics +12