00000nz a2200000n 4500 001 KSH1999019165 005 19990726145335 008 990726 n azknn|abn |a a|a | 150 ▼a뇌신경 외과[腦神經外科]▲ 450 ▼a뇌외과[腦外科]▲ 450 ▼wr▼i영어▼abrain surgery▲ 450 ▼wr▼i영어▼asurgery of cerebral nervous system▲ 550 ▼wg▼a외과[外科]▲ 550 ▼a뇌(머리)[腦]▲ 550 ▼a뇌신경[腦神經]▲