title: Letter: Opacification of coronary veins in angiography.
mesh_terms: D000328:Adult; D000790:Angiocardiography / Q000009:adverse effects*; D006328:Cardiac Catheterization / Q000009:adverse effects*; D003287:Contrast Media; D017023:Coronary Angiography; D005260:Female; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male
chemical_list: D003287:Contrast Media