Sprains and joint injections.
D000843:Ankle Joint / Q000187:drug effects*; D039702:Current Procedural Terminology; D005568:Forms and Records Control; D006801:Humans; D007267:Injections / Q000145:classification* / Q000191:economics; D007344:Insurance Claim Reporting; D011216:Practice Management, Medical; D013180:Sprains and Strains / Q000188:drug therapy* / Q000191:economics; D014481:United States