00000nz  a2200000n  4500
001  KSH1998037313
005  20021228000000
008  980429 n azknn|abn          |a a|a    | 
150  ▼a약해[藥害]▲
450  ▼wr▼i영어▼aphytotoxicity▲
550  ▼a농약 살포[農藥撒布]▲
550  ▼a농약 오염[農藥汚染]▲
550  ▼a약리학[藥理學]▲
550  ▼a약물 오용[藥物誤用]▲