OPREAN, Alexandru. ADAPTATION OF THE BREATHING SYSTEM OF THREE-QUARTERS RUGBY PLAYERS TO THE GAME-SPECIFIC EFFORT. GYMNASIUM, [S.l.], v. XIII, n. 1, sep. 2017. ISSN 2344-5645. Available at: <http://gymnasium.ub.ro/index.php/journal/article/view/225>. Date accessed: 19 oct. 2021.