title: Input and outcome, numerators and denominators.
authors.forename: H
authors.initials: H
authors.lastname: Kerr Graham
mesh_terms: D015982:Bias; D002547:Cerebral Palsy / Q000628:therapy*; D002648:Child; D002986:Clinical Trials as Topic; D002658:Developmental Disabilities / Q000628:therapy*; D006801:Humans; D017063:Outcome Assessment, Health Care; D018579:Patient Selection; D012107:Research Design