using genetic engineering and molecular biology techniques , we have examined sixteen human carcinomas in the uterine-cervix tumors ( the most frequent tumor in mexico , representing 34 % of malignant tumors in women ) , for the presence of human papillomavirus type 16 ( hpv-16 ) dna sequences and possible alterations of the cellular myc ( c-myc ) proto-oncogene .
C0027651
tumor
C0006826
malignant tumors