FACIT-Dyspnea Scale 33 Item Bank Version - Limit: Walk Fast 50 Steps
facit-dyspnea scale 33 item bank version - limit: walk fast 50 steps
FACIT-Dyspnea Scale 33 Item Bank Version - Limit: Walk Fast 50 Steps
facit-dyspnea scale 33 item bank version - limit: walk fast 50 steps