Risk of behaviour suggestive of opioid abuse: a protocol for a systematic review of validated assessment tools
Sheila Raposo Galindo, Tatiana de Paula Santana da Silva, Manoel Henrique da Nóbrega Marinho, Carlos Eduardo de Souza Leão Ribeiro, Murilo Duarte da Costa Lima, Selene Cordeiro Vasconcelos
BMJ Open Oct 2018, 8 (10) e021948; DOI: 10.1136/bmjopen-2018-021948