"2011" . "Carrieri Patrizia, Cohen Julien, Ravaux Isabelle, Spire Bruno, Gossop Michael, Comer Sandra. Non-medical use of opioids among HIV-infected opioid dependent individuals on opioid maintenance treatment: the need for a more comprehensive approach.. Harm Reduction Journal, 2011, 8 (1), pp.31. ⟨10.1186/1477-7517-8-31⟩" . "10.1186/1477-7517-8-31" . . "Non-medical use of opioids among HIV-infected opioid dependent individuals on opioid maintenance treatment: the need for a more comprehensive approach." . . . "Carrieri Patrizia, Cohen Julien, Ravaux Isabelle, Spire Bruno, Gossop Michael, Comer Sandra. Non-medical use of opioids among HIV-infected opioid dependent individuals on opioid maintenance treatment: the need for a more comprehensive approach.. Harm Reduction Journal, BioMed Central, 2011, 8 (1), pp.31. ⟨10.1186/1477-7517-8-31⟩" . . .