title: Defining the role of chest pain units.
authors: W R
authors: WR
authors: Lewis
authors: E A
authors: EA
authors: Amsterdam
mesh_terms: D017023:Coronary Angiography; D003327:Coronary Disease / Q000175:diagnosis*; D005080:Exercise Test; D006757:Hospital Units; D006801:Humans; D018710:Pain Clinics; D013781:Texas