RT Journal Article SR Electronic T1 Cardiopulmonary Physical Therapy ed. by Scot Irwin and Jan S. Tecklin JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 359 OP 359 VO 52 IS 3 A2 Zakov, Z. Nicholas A1 Filip, Keith YR 1985 UL http://www.ccjm.org/content/52/3/359.1.abstract AB