PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25222848-10 2015 However, participants who completed both study waves experienced a reduction in expired carbon monoxide at wave 2 (W1=18.2 vs. W2=15.8 parts per million, p=.02). Carbon Monoxide 88-103 WASP family member 2 Homo sapiens 107-113