title: Quadfurcation of the left main coronary artery: double ramus medianus coronary system.
authors.forename: John
authors.initials: J
authors.lastname: Hakim
authors.forename: Massoud
authors.initials: M
authors.lastname: Leesar
mesh_terms: D017023:Coronary Angiography; D003330:Coronary Vessel Anomalies / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male