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Spinedi, Luca; Broz, Pavel; Engelberger, Rolf Peter; Staub, Daniel; Uthoff, Heiko (2017). Clinical and duplex ultrasound evaluation of lower extremities varicose veins - a practical guideline. Vasa : European journal of vascular medicine, 46(5), pp. 325-336. Hogrefe 10.1024/0301-1526/a000635
