Carl Heneghan, Matthew Thompson, Rafael Perera-Salazar, Peter Gill, Braden O’Neill, David Nunan et al
Heneghan C, Thompson M, Perera-Salazar R, Gill P, OâNeill B, Nunan D et al.
Authors’ reply to Betts, Stokes, and Kleiner
BMJ 2012; 345 :e5431
doi:10.1136/bmj.e5431