A five-year clinical trial of levonorgestrel silastic implants (Norplant™)

Plasma levels of levonorgestrel in women during longterm use of norplants

H.B. Croxatto, Patrícia Miranda, Kerstin Elamsson et al. · Contraception · 1980 · 57 citations

Medicine, Endocrinology, Pharmacology +11

Steroid release from Silastic capsules and rods

Harold A. Nash, Dale N. Robertson, ALFRED J. MOO YOUNG et al. · Contraception · 1978 · 55 citations

Pharmacy, Pharmaceutics, Capsule Technology +5

Contraception with long acting subdermal implants: I. An effective and acceptable modality in international clinical trials

Elsimar Coutinho, Rita da Silva, Carlos E.R. Mattos et al. · Contraception · 1978 · 42 citations

Medicine, Gynecology, Contraception +12

A three-year clinical trial with levonorgestrel silastic implants

Contraception · 1979 · 38 citations

Medicine, Gynecology, Surgery +3

Plasma levels of levonorgestrel in women during longterm use of Norplant

H.B. Croxatto, Patrícia Miranda, Kerstin Elamsson et al. · Contraception · 1981 · 38 citations

Medicine, Endocrinology, Pharmacology +9