Wong, Priscilla. “Selective Mutism: A Review of Etiology, Comorbidities, and Treatment.” Psychiatry (Edgmont (Pa. : Township)), vol. 7, no. 3, Mar. 2010, pp. 23–31, www.ncbi.nlm.nih.gov/pmc/articles/PMC2861522/. Accessed 2 June 2023.

The "Definition and Diagnostic Criteria of Selective Mutism" relation node included paraphrase information regarding the criteria and definition of Selective Mutism.