False positives.
D053687:Adult Stem Cells / Q000637:transplantation*; D000818:Animals; D015982:Bias; D002986:Clinical Trials as Topic / Q000592:standards*; D017326:Clinical Trials, Phase III as Topic / Q000639:trends; D005189:False Positive Reactions; D006801:Humans; D015201:Meta-Analysis as Topic