title: Hepatitis A virus among natives and expatriates in Saudia Arabia.
mesh_terms: D006506:Hepatitis A / Q000453:epidemiology*; D006508:Hepatitis Antibodies / Q000032:analysis*; D006507:Hepatovirus / Q000276:immunology; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D012529:Saudi Arabia / Q000208:ethnology
chemical_list: D006508:Hepatitis Antibodies; D007074:Immunoglobulin G