MECHANISM OF INHIBITORY AND STIMULATORY EFFECTS OF SEROTONIN ON DUODENAL CONTRACTIONS ArticleSMIRNOV V.M., SVESHNIKOV D.S., KUCHUK A.V., KUZNETSOVA T.E., IGNATOVA E.D., TRUBETSKAYA L.V.Фундаментальная и клиническая медицина. Том 3. 2018. С. 6-11