Cross-sectional study examining the accuracy of self-reported smoking status as compared to urinary cotinine levels among workers at risk for chronic kidney disease of unknown origin in Guatemala.
Butler-Dawson J, Barnoya J, Brindley S, Krisher L, Fan W, Asensio C, Newman LS. Cross-sectional study examining the accuracy of self-reported smoking status as compared to urinary cotinine levels among workers at risk for chronic kidney disease of unknown origin in Guatemala. BMJ Open. 2021 10 25; 11(10):e050374.