00000nz a2200000n 4500 001 KSH1998014804 005 19980429132319 008 980429 n azknn|abn |a a|a | 150 ▼a골학[骨學]▲ 450 ▼wr▼i영어▼aosteology▲ 550 ▼a골절[骨折]▲