Efek program rehabilitasi medis terhadap kadar hormon testosteron: Studi pada penyalahguna narkotika laki-laki di Balai Besar Rehabilitasi Narkotika Badan Narkotika Nasional Indonesia, Lido-Bogor 2017 = The effects of medical rehabilitation programs on testosterone levels: A study of male narcotics abusers in The National Narcotics Rehabilitation Center of The National Narcotics Agency of Indonesia, Lido-Bogor 2017.