1. Ocular Differential Diagnosis. 4th ed.;Roy,1989
2. Bloodstained tears.;Minchin;Lancet,1935
3. Sanguineous lacrimation.;Scott;AMA Am J Dis Child,1927
4. Recurrent bleeding from the eyes.;Greig;Edinburgh Med J,1932
5. Bloody lacrimation.;Hasner;Allg Wien Med Ztg,1859