Association between availability of heroin and methadone and fatal poisoning in England and Wales 1993-2004
Chronic diseases now a leading cause of death in rural India--mortality data from the Andhra Pradesh Rural Health Initiative
Common genital complaints in women: the contribution of psychosocial and infectious factors in a population-based cohort study in Goa, India
Factors associated with HIV sero-positivity in young, rural South African men
Factors associated with HIV sero-status in young rural South African women: connections between intimate partner violence and HIV