PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17658478-2 2007 We investigated the association of -786T/C, -922A/G, 4B/4A, and 894G/T polymorphisms of eNOS with the disease and its impact on nitrite and malonaldehyde levels in 190 COPD patients and 134 healthy controls, all smokers. Nitrites 128-135 nitric oxide synthase 3 Homo sapiens 88-92