RT Journal Article SR Electronic T1 An unusual case of orthopnea JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 479 OP 480 DO 10.7861/clinmedicine.17-5-479a VO 17 IS 5 A1 Nathan Denham YR 2017 UL http://www.rcpjournals.org/content/17/5/479.2.abstract