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