Correspondence
Observational studies versus controlled clinical trials for efficacy & effectiveness of a drug
Volume 141 | Issue 4 | April 2015
Disclaimer:
This article was originally published by Medknow Publications & Media Pvt Ltd and was migrated to Scientific Scholar after the change of Publisher.
This article was originally published by Medknow Publications & Media Pvt Ltd and was migrated to Scientific Scholar after the change of Publisher.