EntityQ3136977· pop 8· linked from 9 articlesJadad scaleSign in to saveprocedure to independently assess the methodological quality of a clinical trialConnectionsblind experimentEntitysurgeryEntityplaceboEntityColombiaCountryInternational Standard Book NumberEntityUniversity of OxfordEntitydrugEntitydigital object identifierEntityInternational Standard Serial NumberEntityQ180686EntityQ229883EntityphysiotherapyEntityCanadiansEntityclinical trialEntitybiasEntitymeta-analysisEntityrandomized controlled trialEntityQ22908627Entitymedical deviceEntitysmoking cessationEntityCategoriesClinical researchClinical trialsDesign of experimentsScientific method