Comparison of heart rates at fixed percentages and the ventilatory thresholds in patients with interstitial lung disease. - Vonbank, Karin; Lehmann, Antje; Bernitzky, Dominik; Gysan, Maximilian Robert; Simon, Stefan; Krotka, Pavla; Zwick, Ralf-Harun; Idzko, Marco; Burtscher, Martin (Scandinavian Journal of Medicine & Science in Sports (John Wiley & Sons, Inc.), 2022)