Gracelet Renita et al. 2026. Effectiveness of Strelnikova Breathing Exercises on Respiratory Parameters Among School-Age Children with Lower Respiratory Tract Infections. The Bioscan. 21, 1 (Mar. 2026), 1609–1625. DOI:https://doi.org/10.63001/tbs.2026.v21.i01.pp1609-1625.