Authors' response: what determines which 6MWT is conventional?

作者:Beekman Emmylou*; Mesters Ilse; Gosselink Rik; van Schayck Onno C P; de Bie Rob A
来源:Thorax, 2015, 70(1): 86.2-87.
DOI:10.1136/thoraxjnl-2014-206268