PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24367243-5 2013 RESULTS: In citrate OL-HDF pretreatment plasma levels of C-reactive protein and beta 2-microglobulin were significantly reduced; intra-treatment plasma acetate levels increased in the former technique and decreased in the latter. Citric Acid 12-19 beta-2-microglobulin Homo sapiens 80-100