Chilińska-Pułkowska, A. and Kaczorowska-Bray, K. 2021. Speech therapy of a child with spinal muscular atrophy type 1 (SMA1): a case study. Logopedia Silesiana. 10, 1 (Jun. 2021), 1–40. DOI:https://doi.org/10.31261/LOGOPEDIASILESIANA.2021.10.01.05.