title: STUDIES OF THE EFFECTS OF AMINOPTERIN ON THE CRYPTS OF LIEBERKUEHN IN RATS.
mesh_terms: D000630:Aminopterin; D002455:Cell Division; D002875:Chromosomes; D004396:Coloring Agents; D004583:Electrons; D006653:Histology; D007422:Intestines; D008853:Microscopy; D008854:Microscopy, Electron; D010600:Pharmacology; D051381:Rats; D012106:Research; D013194:Staining and Labeling
chemical_list: D004396:Coloring Agents; D000630:Aminopterin
keywords: AMINOPTERIN; CELL DIVISION; CHROMOSOMES; EXPERIMENTAL LAB STUDY; HISTOLOGY; INTESTINES; MICROSCOPY, ELECTRON; PHARMACOLOGY; RATS; STAINS AND STAINING