Malin R, Järvinen O, Sisto T, Koivula T, Lehtimäki T. Paraoxonase producing PON1 gene M/L55 polymorphism is related to autopsy-verified artery-wall atherosclerosis. Atherosclerosis. 2001 Aug;157(2):301–7. doi: 10.1016/s0021-9150(00)00728-0. PMID: 11472729.