tendance (1) tabac (1) risque (1) association (1) analyse (1) épidémiologie (1) effet (1) risque de cancer (1) cancer (1) Epidemiology (1) Cancer (1) Alcohol use (1) Cases (1) Ci (Chinese poetry) (1) Tobacco (1) Social groups (1) Risk (1) Neck (1) Larynx (1) Head (1) Fiber in human nutrition (1) Epidemiology (1) Drinking of alcoholic beverages (1) Diseases--Causes and theories of causation (1) Confidence intervals (1) Cancer (1) Cases (1) Case-control method (1) Analysis (1) Etiology (1)