Chilińska-PułkowskaA., and Kaczorowska-BrayK. “The Pre-Oral Phase of Swallowing and Its Disorders Among People With Severe Intellectual Disability”. Logopedia Silesiana, no. 9, Dec. 2020, pp. 1-27, doi:10.31261/LOGOPEDIASILESIANA.2020.09.15.