Joshi, NAyesha, QMateen, M AHabibullah, C MSrivastava, M1988-02-012009-05-301988-02-012009-05-301988-02-01Joshi N, Ayesha Q, Mateen MA, Habibullah CM, Srivastava M. "HBV status among mentally retarded". Journal of the Association of Physicians of India. 1988 Feb; 36(2): 166-7http://imsear.searo.who.int/handle/123456789/85496engAdultFemaleHepatitis B Surface Antigens --analysisHepatitis B virus --immunologyHospitals, PsychiatricHumansIndiaMaleMental Retardation --immunologyRisk FactorsJournal Article