References

Pubmed: National Library of Medicine. Hearing Aid Use and Auditory Verbal Therapy Improve Voice Quality of Deaf Children – https://pubmed.ncbi.nlm.nih.gov/30224309/

National Center for Biotechnology Information (NCBI): National Library of Medicine. How Effective Is Auditory–Verbal Therapy (AVT) for Building Language Development of Children with Cochlear Implants? A Systematic Review – https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7998424/