Chaudhry, I. A.; Pervaiz, F.; Ahmed, K.; Naseer, M.; Siddiqa, A.; Khalil, H.; Iqbal, M. A. VALIDATION OF MAXIMUM OXYGEN CONSUMPTION (VO2 MAX) WITH SOCIETY OF THORACIC SURGEON (STS) RISK SCORE IN PREOPERATIVE ASSESSMENT OF PATIENTS UNDERGOING CORONARY ARTERY BYPASS GRAFT (CABG) SURGERY: A PILOT STUDY. PAFMJ 2021, 70, S897-903.