Hepatitis A antibodies in London blood donors, medical students, and patients.
D000328:Adult; D000368:Aged; D000914:Antibodies, Viral / Q000032:analysis*; D001782:Blood Donors; D006506:Hepatitis A / Q000276:immunology*; D006801:Humans; D008131:London; D008875:Middle Aged; D010361:Patients; D013337:Students, Medical
D000914:Antibodies, Viral