9I制作厂免费 researchers have engineered a new hydrogel that shows early promise as a treatment for people with vocal cord injuries.
Voice loss is often permanent when scarring forms on the vocal cords. Current injectable treatments break down quickly, which can force patients to get repeated procedures that can further damage the delicate tissue.
You are in a strange neighbourhood, your cell phone鈥檚 dead, and you desperately need to find the closest garage. A couple of people on the street chime in, each sending you in opposite directions. One person sounds like a local and speaks in a nonchalant manner, while the other uses a loud, confident voice but speaks with a strong accent. Who are you going to trust?
