000 00330pam a2200145 a 4500
020 _a0805319573
050 0 0 _aMED QH308
_b2.C34 1993
100 1 _aCampbell, Neil A.,
245 1 0 _aBiology
250 _a4th ed.
260 _aNew York
_bThe Benjamin
_c1996.
300 _axxx, 1190,.
_bill.
650 0 _aBiology.
942 _cBK
999 _c15962
_d15962