Galimberti M, Bencini P L, Bortolani E
Minerva Chir. 1989 Jun 30;44(12):1677-9.
The incidence of the various types of ulcer is assessed in 180 subjects suffering from chronic ulcer of the legs and various syndrome. It emerges that about 10% of ulcers are not due to chronic venous insufficiency but to other pathologies.