Schreinzer W, Breitfellner G
Klin Monbl Augenheilkd. 1980 Feb;176(2):262-5. doi: 10.1055/s-2008-1057441.
Description of the clinical stages and morphological findings in a rare case of primary malignant melanoma of the lacrimal sac in a 63-year-old woman patient. Comparison with cases already published.