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- Contraception with long-acting subdermal implants.Contraception. 1978; 18: 315-333
- NORPLANT, reversible implant contraception.Studies in Family Planning. 1980; 11: 227-235
- A three-year clinical trial with levonorgestrel Silastic implants.Contraception. 1979; 19: 557-573
- Steroid release from Silastic capsules and rods.Contraception. 1978; 18: 367-394
- Plasma levels of levonorgestrel in women during long-term use of NORPLANT.Contraception. 1981; 23: 197-209