000 00481nam a2200157 a 4500
001 009973
008 991230m1992 000 u eng u
082 0 _aC 005.742'574 B615 1992
245 0 0 _aBiochemical and organic compounds for research and diagnostic clinical reagents
260 _aSt. Louis, Mo. :
_bSigma Chemical,
_c1992- - .
300 _a2175 p.
650 4 _aBioquimica.
_9522
650 7 _aCompuestos Orgánicos
_2
_9836
650 4 _aDiccionarios.
_91281
942 _cBK
999 _c10457
_d10457