title: An investigation of varicose ulcers.
mesh_terms: D000328:Adult; D000368:Aged; D000485:Allergens; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012882:Skin Tests; D013210:Staphylococcus / Q000302:isolation & purification; D014647:Varicose Ulcer / Q000209:etiology* / Q000382:microbiology
chemical_list: D000485:Allergens