Felicio-Júnior, E. L.; Barnabe, V.; Almeida, F. M. de; Avona, M. D.; Genaro, I. S. de; Kurdejak, A.; Eller, M. C. N.; Verganid, K. P.; Rodrigues, J. C.; Tibério, I. de F. L. C.; Martins, M. de A.; Saraiva-Romanholo, B. M. Randomized Trial of Physiotherapy and Hypertonic Saline Techniques for Sputum Induction in Asthmatic Children and Adolescents. Clinics 2020, 75, e1512. https://doi.org/10.6061/clinics/2020/e1512.