APA引文

Barratt, A. L., Wyer, P. C., Guyatt, G., & Simpson, J. M. (2005). NNT for studies with long-term follow-up. Canadian Medical Association.

Citação norma Chicago

Barratt, Alexandra L., Peter C. Wyer, Gordon Guyatt, and Judy M. Simpson. NNT for Studies With Long-term Follow-up. Canadian Medical Association, 2005.

MLA引文

Barratt, Alexandra L., Peter C. Wyer, Gordon Guyatt, and Judy M. Simpson. NNT for Studies With Long-term Follow-up. Canadian Medical Association, 2005.