The effect of BCNU, CCNU and MeCCNU in the prevention of the development of tumors of the nervous system.
D000818:Animals; D001932:Brain Neoplasms / Q000139:chemically induced / Q000517:prevention & control*; D002330:Carmustine / Q000627:therapeutic use*; D005038:Ethylnitrosourea; D009374:Neoplasms, Experimental / Q000139:chemically induced / Q000517:prevention & control; D009607:Nitrosourea Compounds / Q000627:therapeutic use*; D051381:Rats; D012673:Semustine / Q000627:therapeutic use*
D009607:Nitrosourea Compounds; D012673:Semustine; D005038:Ethylnitrosourea; D002330:Carmustine