Treatment and Natural History Study of Lymphomatoid Granulomatosis
National Institutes of Health Clinical Center (CC)
National Institutes of Health Clinical Center (CC)
M.D. Anderson Cancer Center
Western Regional Medical Center
University of Louisville
National Institutes of Health Clinical Center (CC)
Fundación Leucemia y Linfoma, Spain
The Cleveland Clinic
Bayer
University of New Mexico
PETHEMA Foundation
Austrian Breast & Colorectal Cancer Study Group
Lymphoma Study Association