Chilińska-Pułkowska, Alicja, and Katarzyna Kaczorowska-Bray. “Speech Therapy of a Child With Spinal Muscular Atrophy Type 1 (SMA1): A Case Study”. Logopedia Silesiana, vol. 10, no. 1, June 2021, pp. 1-40, doi:10.31261/LOGOPEDIASILESIANA.2021.10.01.05.