Diaphragmatic ultrasound findings correlate with dyspnea, exercise tolerance, health-related quality of life and lung function in patients with fibrotic interstitial lung disease - Santana, Pauliane Vieira; Cardenas, Leticia Zumpano; Albuquerque, Andre Luis Pereira de; Carvalho, Carlos Roberto de; Caruso, Pedro (Bmc pulmonary medicine, 2019)