1. Parfenov A.I. Enterology: a guide for physicians. Moscow. MIA Publ., 2009. 875 r. (in Russ.) @@ Parfenov A.I. Enterologiya: rukovodstvo dlya vrachei. - Moskva: MIA, 2009. 875 s.
2. Ugolev A.M. Enteric (intestinal) hormonal system L.: Nauka, 1980. 668 r. (in Russ.) @@ Ugolev A.M. Enterinovaya (kishechnaya) gormonal'naya sistema. - Leningrad: Nauka, 1980. 668 s.
3. Vahrushev YA.M., Labusheva M.A., Ugolev A.M.Intestinal hormonal system and the mechanism of the specific dynamic action of food. Reports of the Academy of Sciences of the USSR. Moscow, 1983, rr. 1509-1512. (in Russ.) @@ Vakhrushev Ya.M., Labusheva M.A., Ugolev A.M. Kishechnaya gormonal'naya sistema i mekhanizm spetsificheskogo dinamicheskogo deistviya pishchi. Doklady Akademii nauk SSSR, 1983, S. 1509-1512.
4. Vahrushev YA.M. Specific dynamic action of food. Izhevsk. Ekspertiza Publ., 1996. 115 r. (in Russ.) @@ Vakhrushev Ya.M. Spetsificheskoe dinamicheskoe deistvie pishchi. - Izhevsk: Ekspertiza, 1996. 115 s.
5. Vahrushev YA. M., Busygina M. S. Chronic duodenal insufficiency. Izhevsk. IGMA Publ., 2021, 136 r. (in Russ.) @@ Vakhrushev Ya. M., Busygina M. S. Khronicheskaya duodenal'naya nedostatochnost'. - Izhevsk: IGMA, 2021. 136 s.