No consensus on stem cells.
D000328:Adult; D000818:Animals; D064987:Cell- and Tissue-Based Therapy / Q000379:methods / Q000592:standards*; D002986:Clinical Trials as Topic / Q000592:standards*; D006801:Humans; D051379:Mice; D015203:Reproducibility of Results; D013234:Stem Cells / Q000166:cytology*