TY  - RPRT
TI  - CKB - the compound knowledge base: a text based chemical search system.
AU  - Matthew J Walker
AU  - Richard D Hull
AU  - Suresh B Singh
DO  - 10.1021/ci0255329
UR  - https://pubmed.ncbi.nlm.nih.gov/12444725/
ID  - 12444725
ER  -