@Article{ authors = " V. V. Hnatiuk", title = "Characteristics of melatonin-positive-labeled cells of gastric mucosa amount in rats of different sexes in autumn and winter", journal = "Journal of Education, Health and Sport", issue = "2016 / Tom 6 / Numer 11", pages = "622 - 628" }

@Article{ authors = " V. V. Hnatiuk, N. M. Kononenko", title = "The study of the relationship between the levels of melatonin in the blood serum and melatonin-positive-labeled cells in ulcerative lesions of the stomach in male rats of different age", journal = "Journal of Education, Health and Sport", issue = "2016 / Tom 6 / Numer 9", pages = "524 - 530" }