Edwards, P., Clarke, M., DiGuiseppi, C., Pratap, S., Roberts, I., & Wentz, R. (2002). Identification of randomized controlled trials in systematic reviews: Accuracy and reliability of screening records.
Chicago-referens (17:e uppl.)Edwards, P., M. Clarke, C. DiGuiseppi, S. Pratap, I. Roberts, och R. Wentz. Identification of Randomized Controlled Trials in Systematic Reviews: Accuracy and Reliability of Screening Records. 2002.
MLA-referens (9:e uppl.)Edwards, P., et al. Identification of Randomized Controlled Trials in Systematic Reviews: Accuracy and Reliability of Screening Records. 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.