App-Based Versus Standard Six-Minute Walk Test in Pulmonary Hypertension: Mixed Methods Study.
Dario SalviEmma PoffleyLionel TarassenkoElizabeth OrchardPublished in: JMIR mHealth and uHealth (2021)
ClinicalTrials.gov NCT04633538; https://clinicaltrials.gov/ct2/show/NCT04633538.