Samalavičius, N.E. et al. 2017. Hybrid transanal and total mesorectal excision after transanal endoscopic microsurgery for unfavourable early rectal cancer: a report of two cases. Acta medica Lituanica. 24, 3 (Nov. 2017), 188–192. DOI:https://doi.org/10.6001/actamedica.v24i3.3553.