Calling--and coding--the shots.
D039702:Current Procedural Terminology; D006801:Humans; D006967:Hypersensitivity / Q000188:drug therapy; D007167:Immunotherapy / Q000145:classification / Q000191:economics; D007267:Injections / Q000145:classification* / Q000191:economics; D007273:Injections, Intramuscular / Q000145:classification / Q000191:economics; D007279:Injections, Subcutaneous / Q000145:classification / Q000191:economics; D007344:Insurance Claim Reporting / Q000145:classification*