Kuśmierczuk, K.J., Borowik, J.U., Kozak, K.A., Jawoszek, P., Brodowski, W. and Skrzydło-Radomańska, B. 2019. Chronic vomiting as a nonspecific symptom of small intestine cancer - case report. Journal of Education, Health and Sport. 9, 9 (Sep. 2019), 589–598.