00000nz  a2200000n  4500
001  KSH1999017438
005  19990615161634
008  990615 n azknn|abn          |a a|a    | 
150  ▼a내성균[耐性菌]▲
450  ▼wr▼i영어▼aresistant bacteria▲
550  ▼wg▼a세균문[細菌門]▲
550  ▼a내성(견딤)[耐性]▲
550  ▼a베타 락타마제[β-lactamase]▲