RT Journal Article SR Electronic T1 Effectiveness of Preoperative Physical Therapy for Elective Cardiac Surgery JF Physical Therapy JO Phys Ther FD American Physical Therapy Association SP 160 OP 166 DO 10.2522/ptj.20130323 VO 95 IS 2 A1 Humphrey, Reed A1 Malone, Daniel YR 2015 UL http://jcore-reference.highwire.org/content/95/2/160.abstract AB