Copy Reference Chinese Medicine and Dental Hygiene
Year:1987 Issue:10
Column: Medicine
Author: LIU ZHANWEN
Release Date:1987-10-01
Page: 14,15
Full Text:
IN AN AVERAGE lifetime, a person will consume roughly 40 tons of food. The processing of this enormous quantity of material begins, of course, in the mouth. How well the teeth perform their grinding...
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