UP researchers develop affordable vocal cord screening device
A sore and tired voice at the end of a long day may seem like a small price to pay for getting the job done, but for thousands of South Africans it can quietly grow into a condition that threatens their ability to work.
Black News 
A sore and tired voice at the end of a long day may seem like a small price to pay for getting the job done, but for thousands of South Africans it can quietly grow into a condition that threatens their ability to work.
