Complex treatment of venous leg ulcers including the use of oral nutritional supplementation: results of 12-week prospective study - Mościcka, Paulina; Cwajda-Białasik, Justyna; Jawień, Arkadiusz; Szewczyk, Maria T. (Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii, 2022)