08/05/2015 - 16:26 The newly approved 52-mg levonorgestrel intrauterine contraceptive (LNG20) system demonstrated safety and efficacy for 3 years for a range of women, r... More » Visit websiteField of Interest: PulmonologyCategories: CME-candidateFPN || NewsFPN || Women's HealthIMN || NewsIMN || Women's HealthOBGYN || NewsOBGYN || ContraceptionNews Feed: Internal Medicine News - Pulmonology