Application of substances to the brain of small animals.
D000818:Animals; D001921:Brain / Q000187:drug effects*; D002540:Cerebral Cortex / Q000187:drug effects; D004305:Dose-Response Relationship, Drug; D004569:Electroencephalography; D007267:Injections / Q000295:instrumentation*; D010406:Penicillins / Q000494:pharmacology; D010827:Physiology / Q000295:instrumentation; D051381:Rats
D010406:Penicillins