1
by Dias, Sofia, Sutton, A. J., Welton, Nicky J., Ades, A. E.
Published 2012
National Institute for Health and Clinical Excellence (NICE)
... of observational study, because patients cannot be randomised to covariate values....

2
by Dias, Sofia, Sutton, A. J., Welton, Nicky J., Ades, A. E.
Published 2012
National Institute for Health and Clinical Excellence (NICE)
... of observational study, because patients cannot be randomised to covariate values....