title: [Coronarographic possibilities of evaluation of the patency of the sinoatrial node artery].
mesh_terms: D000328:Adult; D003251:Constriction, Pathologic / Q000000981:diagnostic imaging; D017023:Coronary Angiography; D003327:Coronary Disease / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012849:Sinoatrial Node / Q000000981:diagnostic imaging*
vernacular_title: Koronarograficzne mozliwości oceny drozności tetnicy wezła zatokowego.