返回Google圖書搜尋

Horace Wells Day Book A

出版	1841
URL	http://books.google.com.hk/books?id=nAAjygAACAAJ&hl=&source=gbs_api

註釋Daily record of filling, extracting, inserting and cleansing teeth, and selling tooth powder, kept by a dentist of Hartford, Connecticut. He is credited with being the first dentist to use nitrous oxide to anesthetize a patient before dental work.