Efficacy is more easily assessed than safety.
Feldman
Steven
S
D002986:Clinical Trials as Topic; D004341:Drug Evaluation; D006801:Humans; D007641:Keratolytic Agents / Q000627:therapeutic use*; D012107:Research Design; D018401:Sample Size; D012871:Skin Diseases / Q000188:drug therapy*
D007641:Keratolytic Agents