Gustalik, J., Aebisher, D., Kaznowska, E. and Bartusik-Aebisher, D. 2020. Mixed adenocarcinoma-neuroendocrine cancer – a case report. European Journal of Clinical and Experimental Medicine. 18, 4 (Dec. 2020), 335–337. DOI:https://doi.org/10.15584/ejcem.2020.4.13.