title: Geographic and secular variation in mortality from malignant disease in Oklahoma, 1956-1965.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007938:Leukemia / Q000401:mortality*; D008223:Lymphoma / Q000401:mortality*; D008297:Male; D008875:Middle Aged; D009101:Multiple Myeloma / Q000401:mortality*; D009825:Oklahoma; D012189:Retrospective Studies