Jeffrey M Drazen, Martin B Van Der Weyden, Paush Sahni, Jacob Rosenberg, Ana Marusic, Christine Laine et al
Drazen J M, Weyden M B V D, Sahni P, Rosenberg J, Marusic A, Laine C et al.
Disclosure of competing interests
BMJ 2009; 339 :b4144
doi:10.1136/bmj.b4144
