unlabelled : during the last 3 decades several authors have found in tumour-bearing animals an increase of synthesis and content of dna in various organs which were free from neoplastic cells ( griffin , 1957 ; kelly and jones , 1950 ; morgan and cameron , 1973 ; cerecedo et al. , 1951 ; lombardo et al. , 1952 ) .
C0027651
tumour
C0597032
neoplastic cells