000 00290nam a2200121Ia 4500
001 n69
008 240325s9999 xx 000 0 eng
020 _a989-1-260-46951-6
100 _aCurtis d .klassen -john b. Watkins iii
245 0 _aEssentials of toxicolog
250 _a4
260 _c2021
999 _c7256
_d7256