Results 301 to 303 of about 177,882 (303)
Some of the next articles are maybe not open access.
Statistics notes. Trials randomised in clusters.
BMJ (Clinical research ed.), 1997J M, Bland, S M, Kerry
openaire +1 more source
Ethics in cluster randomised trials: a grey zone
Indian Journal of Medical Ethics, 2011openaire +2 more sources
Physician characteristics associated with clinical trial enrollment
Ca-A Cancer Journal for Clinicians, 2011exaly