title: Comment on published paper (Proctor et al, this issue pp 1246-1251)
authors.forename: T
authors.initials: T
authors.lastname: De Witte
mesh_terms: D000293:Adolescent; D000328:Adult; D016026:Bone Marrow Transplantation; D006801:Humans; D015470:Leukemia, Myeloid, Acute / Q000628:therapy*; D008875:Middle Aged; D015983:Selection Bias