Is every reflux to the great saphenous vein indicated for radical surgery? / Žernovický F. ... [et al.]. Kazuistiky v angiologii. 42nd Czech angiology days 2017 : 42. Angyologické dny 2017 : february 23 - 25, 2017, Prague : book of abstracts Roč. 4, č. 1 (2017), s. 44