TY  - BOOK
ED  - Sigma Chemical Company.
TI  -  Biochemicals and reagents for life science research
PY  - 1998///
CY  - St. Louis, MO
PB  - Sigma,
KW  - Sigma Chemical Company
KW  -  Catalogs
KW  -  Periodicals
KW  - Life sciences
KW  - Equipment and supplies
KW  - Chemicals
KW  - Biological reagents
N1  - Description based on: 1999; title from cover
ER  -