RT Journal Article SR Electronic T1 High Altitude Medicine and Physiology. 3rd Edition. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 586 OP 586 DO 10.1136/thx.56.7.586 VO 56 IS 7 YR 2001 UL http://thorax.bmj.com/content/56/7/586.abstract AB