Unprotected casual sex and perceived riskof contracting HIV among drug users in Baltimore, Maryland: Evaluating the influence of non-injection versus injection drug use status

Mitchell MM and Latimer WW (2009). Unprotected casual sex and perceived riskof contracting HIV among drug users in Baltimore, Maryland: Evaluating the influence of non-injection versus injection drug use status. AIDS Care. 2(21), 221-230.