Alison Bassetto's voice is steady and brisk as she explains why her husband's untimely death prompted her to have her 19-year-old son's wisdom teeth banked.
원문출처 : http://www.cnn.com/2017/04/26/health/dental-stem-cell-banking/index.html
원문출처 : http://www.cnn.com/2017/04/26/health/dental-stem-cell-banking/index.html