Hepatitis B. What price exposure?
D001130:Arizona; D006509:Hepatitis B / Q000191:economics* / Q000517:prevention & control; D006801:Humans; D007114:Immunization / Q000191:economics; D009784:Occupational Diseases / Q000191:economics / Q000517:prevention & control; D010564:Personnel, Hospital; D011446:Prospective Studies