RT Journal Article SR Electronic T1 Improving team-sport player’s physical performance with altitude training: from beliefs to scientific evidence JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP i2 OP i3 DO 10.1136/bjsports-2013-093119 VO 47 IS Suppl 1 A1 Olivier Girard A1 Babette M Pluim YR 2013 UL http://bjsm.bmj.com/content/47/Suppl_1/i2.abstract AB