Six-minute walk distance in patients with chronic obstructive pulmonary disease: Which reference equations should we use?
Titel:
Six-minute walk distance in patients with chronic obstructive pulmonary disease: Which reference equations should we use?
Auteur:
Andrianopoulos, Vasileios Holland, Anne E Singh, Sally J Franssen, Frits ME Pennings, Herman-Jan Michels, Arent J Smeenk, Frank WJM Vogiatzis, Ioannis Wouters, Emiel FM Spruit, Martijn A