title: Familial aggregation: sorting susceptibility from shared environment.
authors.forename: G M
authors.initials: GM
authors.lastname: Petersen
mesh_terms: D006528:Carcinoma, Hepatocellular / Q000453:epidemiology / Q000209:etiology; D016022:Case-Control Studies; D004781:Environmental Exposure / Q000009:adverse effects*; D020022:Genetic Predisposition to Disease; D006509:Hepatitis B / Q000150:complications; D006801:Humans; D015994:Incidence; D008113:Liver Neoplasms / Q000453:epidemiology / Q000209:etiology; D017720:Molecular Epidemiology; D009369:Neoplasms / Q000453:epidemiology* / Q000209:etiology* / Q000235:genetics / Q000821:virology; D011159:Population Surveillance