materials and methods : as a basis for the comparison of normal with those of tumor cell populations the dna histograms of heart muscle cells were selected for the normal cell population from 14 normal hearts of adults , 16 hypertrophic hearts , 14 non-polyploidized hearts of children , and 14 hypertrophic hearts of children with congenital malformations .
C0018787
hearts
C0018800
hypertrophic hearts