PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9196083-6 1997 Methacholine PC20 improved slightly after rhuMAb-E25, this change becoming statistically significant on Day 76 (p < 0.05); no change was observed in the placebo group. Methacholine Chloride 0-12 integral membrane protein 2C Homo sapiens 49-52