title: Experimental research--level III.
authors.affiliation: Mary Margaret Walther Cancer Care Program, Riley Hospital for Children, Indianapolis, IN.
authors.forename: L K
authors.initials: LK
authors.lastname: Birenbaum
mesh_terms: D006801:Humans; D015399:Nursing Research / Q000379:methods*; D011897:Random Allocation; D015203:Reproducibility of Results; D012107:Research Design