Recent studies show that the downward trend in the incidence of oral cancer in general, but oropharyngeal cancer occurrence rate of significant growth, and more and more evidence that human papilloma virus (human human papilloma virus hpv) in the mouth play an important role in the incidence of phar

In recent years, studies show that oral cancer incidence on the whole has been on the decline, it Ports The nasopharyngeal cancer incidence rates have significantly increased, but more and more evidence shows that human nipple virus (human papilloma virus, HPV) in the mouth throat cancer (oropharyng

The recent years research indicated the oral cancer the formation rate assumes the drop tendency as a whole, but the mouth swallows the cancer the formation rate to have actually obviously grows, moreover more and more many evidence indicated the human papillate virus (human papilloma virus, HPV) in

In recent years of research indicates that oral cancer of occurs rate General Shang is fell trend, but mouth pharyngeal cancer of occurs rate is has significantly to growth, and increasingly more of evidence indicates that human nipple shaped virus (human papilloma virus,HPV) in mouth pharyngeal can

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