PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8200119-3 1994 Sample blanks values (0.76 +/- 1.28 g/L) demonstrated that the high Lp(a) levels obtained in the BNA assay are caused by nonspecific precipitation. 2-Naphthylamine 97-100 lipoprotein(a) Homo sapiens 68-73