TY  - GEN
ED  - SIGMA CHEMICAL COMPANY (ST LOUIS, MO.)
TI  - BIOCHEMICALS ORGANIC COMPOUNDS FOR RESEARCH  AND DIAGNOSTIC REAYENTS/ 
U1  - C 574.1920216 S54 
PY  - 1986///
CY  - SAINT LOUIS, MO.: 
PB  - SIGMA
KW  - 1.BIOQUIMICA - CATALOGOS
KW  - 2.COMPUESTOS  ORGANICOS - CATALOGOS
ER  -