Trích dẫn APA

Kissin, I. (2013). Long-term opioid treatment of chronic nonmalignant pain: Unproven efficacy and neglected safety? Dove Medical Press.

Trích dẫn kiểu Chicago

Kissin, Igor. Long-term Opioid Treatment of Chronic Nonmalignant Pain: Unproven Efficacy and Neglected Safety? Dove Medical Press, 2013.

Trích dẫn MLA

Kissin, Igor. Long-term Opioid Treatment of Chronic Nonmalignant Pain: Unproven Efficacy and Neglected Safety? Dove Medical Press, 2013.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.