Abstract
We have completed a survey of the causes of deafness in 3,064 children with defective hearing who attend special schools in Southern Africa. Specific genetic or multifactorial syndromes were diagnosed in 7 per cent, familial undifferentiated deafness was recognized in 11 per cent, while in 25 per cent the deafness was acquired.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
