For citations:
Butorin N.N., Rzhavicheva O.S., Khomenko O.V., Shtygashyeva O.V., Tsukanov V.V. Prevalence and risk factors of heartburn in organized population of administrative centre of Khakasia republic. Russian Journal of Gastroenterology, Hepatology, Coloproctology. 2010;20(2):39-43. (In Russ.)