Vohra Sunita, Shamseer Larissa, Sampson Margaret, Bukutu Cecilia, Schmid Christopher H, Tate Robyn, Nikles Jane, Zucker Deborah R, Kravitz Richard, Guyatt Gordon, Altman Douglas G, Moher David
University of Alberta, Canada
Ottawa Hospital Research Institute, and University of Ottawa, Canada.
BMJ. 2015 May 14;350:h1738. doi: 10.1136/bmj.h1738.