Wiysonge CS, Paulsen E, Lewin S, Ciapponi A, Herrera CA, Opiyo N, Pantoja T, Rada G, Oxman AD. Cochrane Database of Systematic Reviews 2017, Issue 9. Art. No.: CD011084. DOI: 10.1002/14651858.CD011085.pub2
Wiysonge CS, Paulsen E, Lewin S, Ciapponi A, Herrera CA, Opiyo N, Pantoja T, Rada G, Oxman AD. Cochrane Database of Systematic Reviews 2017, Issue 9. Art. No.: CD011084. DOI: 10.1002/14651858.CD011085.pub2