HYDROGEN RESPIRATORY TEST: PILOT EXAMINATIONS FOR EVALUATION OF THE SMALL INTESTINAL COLONIZATION BY NORMAL MICROFLORA ArticleKorotkova O.V., Salinas Yu.E., Vasilieva E.A., Kozlov A.V., Yashina N.V., Loginov I.A., Dalin M.V.Bulletin of Experimental Biology and Medicine. Том 154. 2013. С. 818-820