Begg C, Cho M, Eastwood S, Horton R, Moher D, Olkin I, Pitkin R, Rennie D, Schulz K F, Simel D, Stroup D F
From the Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
JAMA. 1996 Aug 28;276(8):637-9. doi: 10.1001/jama.276.8.637.