F.D.A. Clears Path for Over-the-Counter Hearing Aids
The Food and Drug Administration moved today to make hearing aids available over the counter …
Tag: Ears and Hearing
Doctors Transplant Ear of Human Cells, Made by 3-D Printer
3DBio Therapeutics, a biotech company in Queens, said it had for the first time used 3-D printing to make a body part with a patients own cells.