1. Bergman, B. H. H., Beijersbergen, J. C. M., Overeem, J. C., Kaars-Sijpestein, Isolation and identification of?-methylene-butyrolactone, a fungitoxic substance from tulips. Rec. Trav. chim. Pays-Bas86, 709?713 (1967).
2. Bleumink, E., Doeglas, H. M. G., Klokke, A. H., Nater, J. P.: Allergic contact dermatitis to garlic. Brit. J. Derm.87, 6?9 (1972).
3. Borda, J. M., Bozzola, C.: Queratosis de pulpejos de dedos por contacto de liliaceaes. Arch. argent. Derm.11, 293?299 (1961).
4. Burks, J. W.: Classic aspects of onion and garlic dermatitis in housewives. Ann. Allergy12, 592?596 (1954).
5. Burgess, J. F.: Occupational dermatitis to onion and garlic. Canad. med. Ass. J.66, 235 (1952).