Horton R, Smith R: Time to register randomised trials. Lancet 1999, 354:1138–1139.
Horton R, Smith R: Time to register randomised trials. The case is now unanswerable. BMJ 1999, 319:865–866.
Tonks A: Registering clinical trials. BMJ 1999, 319:1565–1568.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment