00000nz a2200000n 4500 001 KSH1999021431 005 19991205190051 008 991205 n azknn|abn |a a|a | 150 ▼a두위 반사[頭位反射]▲ 450 ▼a정위 반사[正位反射]▲ 450 ▼wr▼i영어▼arighting reflex▲ 550 ▼wg▼a자세 반사[姿勢反射]▲