various mechanisms can induce the tumors. Microorganisms can maintain the homeostasis of the tumor microenvironment through immune regulation, thereby inhibiting tumor development
Gary has traced the development of engraving on steel, the mechanics of design transfer, hardening, inks, perforation and plate repair from 1790 to 1935 by studying primary sources and patents. Using this approach, he has made several basic discoveries and corrected a number of erroneous ...