index of genetic and shared environmental influences. The tumours studied have several
putative risk factors in common including occupational exposure to certain pesticides and a
positive family history of cancer. Methods We conducted population-based studies of
Hodgkin lymphoma (HL), Multiple Myeloma (MM), non-Hodgkin's Lymphoma (NHL), and
Soft Tissue Sarcoma (STS) among male incident case and control subjects in six Canadian …