1. Street boys of Delhi: A study of their family and demographic characteristics;Agnihotri;Indian Journal of Medical Sciences,2001
2. Modern day influences on sexual behavior;Aral;Infectious Disease Clinics of North America,2005
3. HIV-1 and Hepatitis B virus infections in adolescents lodged in security institutes of Buenos Aires;Avila;Pediatric AIDS and HIV Infection,1996
4. Development of the Brazilian version of K-SADS-PL (Schedule for Affective Disorders and Schizophrenia for School Aged Children Present and Lifetime Version) [In Portuguese];Brasil,2003
5. Hierarchical linear models: Applications and data analysis methods;Bryk,1992