title: Sampling bias and logistical problems of molecular analyses in a clinical leukaemia trial. Swiss Group for Clinical Cancer Research (SAKK)
authors.forename: M F
authors.initials: MF
authors.lastname: Fey
authors.forename: M
authors.initials: M
authors.lastname: Blaser
authors.forename: M
authors.initials: M
authors.lastname: Wernli
authors.forename: M
authors.initials: M
authors.lastname: Jotterand
authors.forename: R
authors.initials: R
authors.lastname: Maibach
authors.forename: A
authors.initials: A
authors.lastname: Gratwohl
authors.forename: A
authors.initials: A
authors.lastname: Tobler
mesh_terms: D006801:Humans; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000235:genetics*; D011446:Prospective Studies; D015983:Selection Bias