title: Pinch skin grafting or porcine dermis in venous ulcers.
mesh_terms: D000368:Aged; D005228:Fatty Acids, Essential; D005231:Fatty Acids, Unsaturated / Q000627:therapeutic use; D006801:Humans; D008041:Linoleic Acids; D031665:Oenothera biennis; D010938:Plant Oils; D016038:Skin Transplantation; D014647:Varicose Ulcer / Q000628:therapy*; D017965:gamma-Linolenic Acid
chemical_list: D005228:Fatty Acids, Essential; D005231:Fatty Acids, Unsaturated; D008041:Linoleic Acids; D010938:Plant Oils; C028498:evening primrose oil; D017965:gamma-Linolenic Acid