title: [Chromosome analysis of experimental rat brain tumor (II)--chromosome changes of brain tissue cells during pre-induction stage of the tumor (author's transl)].
mesh_terms: D000818:Animals; D001921:Brain / Q000648:ultrastructure*; D001932:Brain Neoplasms / Q000139:chemically induced / Q000235:genetics*; D002478:Cells, Cultured; D002869:Chromosome Aberrations; D005038:Ethylnitrosourea; D005260:Female; D009374:Neoplasms, Experimental / Q000139:chemically induced; D011230:Precancerous Conditions / Q000235:genetics*; D051381:Rats
chemical_list: D005038:Ethylnitrosourea