The frequency of periphlebitis retinae in multiple sclerosis.
D005260:Female; D006801:Humans; D008297:Male; D009103:Multiple Sclerosis / Q000150:complications*; D010689:Phlebitis / Q000209:etiology*; D012164:Retinal Diseases / Q000209:etiology*; D013223:Statistics as Topic; D013997:Time Factors