1WHO Expert Committee on Drug Dependence. WLD Hlth Org techn Rep Ser, 1969, 407.
2Ragni G, Gonadal function in male heroin and methadone addicts, lnt Androl, 1988,11(2):93.
3Celanic MF, Karacic V, Gerber M. Further studies on the effects of heroin addiction on the hypothalamic-pituitary-gonadal function in man. Parmacol Res Commun, 1984,16 (2) : 1193.
4Cicero Tj. Function of the male sex organs in herion and methadone user. New Engl J Med, 1975,292:882.