title: A new biocompatible drug delivery system for chronic implantation in animal brain.
mesh_terms: D000818:Animals; D001672:Biocompatible Materials; D001921:Brain; D002243:Carbolines / Q000008:administration & dosage / Q000378:metabolism; D002482:Cellulose / Q000031:analogs & derivatives; D004343:Drug Implants; D051381:Rats
chemical_list: D001672:Biocompatible Materials; D002243:Carbolines; D004343:Drug Implants; C009804:tryptoline; C013517:ethyl cellulose; D002482:Cellulose