title: Early history and development of the nitrosoureas.
mesh_terms: D000818:Animals; D002330:Carmustine / Q000627:therapeutic use; D049673:History, 20th Century; D007939:Leukemia L1210 / Q000188:drug therapy; D008769:Methylnitronitrosoguanidine / Q000627:therapeutic use; D008770:Methylnitrosourea / Q000627:therapeutic use; D051379:Mice; D009607:Nitrosourea Compounds / Q000266:history* / Q000627:therapeutic use; D014481:United States
chemical_list: D009607:Nitrosourea Compounds; D008769:Methylnitronitrosoguanidine; D008770:Methylnitrosourea; D002330:Carmustine