Smokers' veins: a useful clinical sign--comment.
Jeganathan
V Swetha
VS
D004108:Dilatation, Pathologic; D006801:Humans; D012164:Retinal Diseases / Q000175:diagnosis* / Q000209:etiology; D012169:Retinal Vein / Q000473:pathology*; D012907:Smoking / Q000009:adverse effects*