RT Journal Article SR Electronic T1 Is It Safe to Operate on Cocaine-Positive Patients? JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP eS47 OP eS47 VO 76 IS 2 esuppl 1 A1 M. Chadi Alraies A1 Abdul Hamid Alraiyes A1 Brian Harte YR 2009 UL http://www.ccjm.org/content/76/2_esuppl_1/eS47.abstract AB