title: Letter: Vaccination of patients on steroid therapy.
mesh_terms: D001249:Asthma / Q000188:drug therapy*; D001315:Australia; D004347:Drug Interactions; D006801:Humans; D007880:Legislation, Drug; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000008:administration & dosage*; D013256:Steroids / Q000627:therapeutic use*; D014611:Vaccination
chemical_list: D012900:Smallpox Vaccine; D013256:Steroids