Souza, Maria da Silva, et al. “HOSPITAL STAY IN COVID-19 PATIENTS: THE ROLE OF CLINICAL CHARACTERISTICS AND PHYSIOTHERAPY INTERVENTIONS”. American Research Journal of Nursing and Health Sciences (ARJNHS), vol. 8, no. 1, Oct. 2023, pp. 26-35, https://zapjournals.com/Journals/index.php/arjnhs/article/view/1050.