Chilińska-PułkowskaA. and Kaczorowska-BrayK. (2021) “Speech therapy of a child with spinal muscular atrophy type 1 (SMA1): a case study”, Logopedia Silesiana, 10(1), pp. 1-40. doi: 10.31261/LOGOPEDIASILESIANA.2021.10.01.05.