FACIT-Dyspnea Scale 33 Item Bank Version - Severity: Walk Up 20 Stairs
facit-dyspnea scale 33 item bank version - severity: walk up 20 stairs
FACIT-Dyspnea Scale 33 Item Bank Version - Severity: Walk Up 20 Stairs
facit-dyspnea scale 33 item bank version - severity: walk up 20 stairs