title: Use of hospital observation services: the society of chest pain centers position.
mesh_terms: D016507:Cardiology Service, Hospital / Q000191:economics / Q000706:statistics & numerical data*; D002637:Chest Pain / Q000175:diagnosis* / Q000191:economics; D006302:Health Services Research; D006801:Humans; D007349:Insurance, Health, Reimbursement; D006278:Medicare; D019370:Observation; D018710:Pain Clinics / Q000191:economics / Q000458:organization & administration*; D014481:United States