Contraception · 1987 · 13 citations · 4 references
MedicineGynecologyObstetricsContraceptionContraceptive MethodsContraceptive UseFemale ContraceptionHormonal ContraceptionIntrauterine ContraceptionIntrauterine DevicesContraceptive HormonesImplant ContraceptionImplant EffectivenessIntrauterine Contraceptive DevicesOral Contraceptive Pills
4
A five-year clinical trial of levonorgestrel silastic implants (Norplant™)
Margarita Pavez, Patricia Y. Miranda, Dale N. Robertson et al. · Contraception · 1982 · 113 citations
A Four-Year Clinical Study of NORPLANT Implants
Irving Sivin, Pentti Holma, Francisco Alvarez‐Sánchez et al. · Studies in Family Planning · 1983 · 82 citations
Medicine, Surgery, Contraception +11
Two-year prospective study in Colombia of Norplant implants.
Guzmán López, A Rodriguez, J Rengifo et al. · PubMed · 1986 · 15 citations
Medicine, Gynecology, Obstetrics +17