PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15322503-11 2004 Multivariate analysis disclosed that urinary beta-2-microglobulin was independently correlated with the urinary concentrations of pentosidine and pyrraline (P <.05 for both). 2-formyl-5-(hydroxymethyl)pyrrole-1-norleucine 146-155 beta-2-microglobulin Homo sapiens 45-65