title: Time-related increase of nucleolar size and villus cell number during DMH carcinogenesis in the rat duodenal epithelium.
mesh_terms: D019813:1,2-Dimethylhydrazine; D000818:Animals; D002273:Carcinogens / Q000494:pharmacology; D002452:Cell Count; D002466:Cell Nucleolus / Q000648:ultrastructure*; D004127:Dimethylhydrazines / Q000494:pharmacology*; D004379:Duodenal Neoplasms / Q000139:chemically induced / Q000473:pathology*; D004386:Duodenum / Q000473:pathology*; D007413:Intestinal Mucosa / Q000473:pathology*; D008297:Male; D008763:Methylhydrazines / Q000494:pharmacology*; D009374:Neoplasms, Experimental / Q000473:pathology; D051381:Rats; D011919:Rats, Inbred Strains; D013997:Time Factors
chemical_list: D002273:Carcinogens; D004127:Dimethylhydrazines; D008763:Methylhydrazines; D019813:1,2-Dimethylhydrazine