Authors: E Shahar; C W Whitney; S Redline; E T Lee; A B Newman; F J Nieto; G T O'Connor; L L Boland; J E Schwartz; J M Samet Journal: Am J Respir Crit Care Med Date: 2001-01 Impact factor: 21.405
Authors: M Kato; P Roberts-Thomson; B G Phillips; W G Haynes; M Winnicki; V Accurso; V K Somers Journal: Circulation Date: 2000-11-21 Impact factor: 39.918