000 00392nam a2200145Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
022 _a0036-8075
040 _aCNCLSA
100 _aFloyd E. Bloom
_92541
245 0 _aScience
260 _cFebruary 7, 1997
_bThe American Association for the Advancement of Science
_aWashington
300 _aP. 721-1384
300 _bV. 275
942 _cJRBV
999 _c12479
_d12479