1. Double-blind trial of oral zinc sulphate in patients with leg ulcers;Clayton;British Journal of Clinical Practice,1972
2. Double blind trial of zinc sulphate in the treatment of chronic venous leg ulceration;Greaves;British Journal of Dermatology,1972
3. Oral zinc sulphate in the treatment of venous leg ulcers;Haeger;VASA,1972
4. Oral zinc sulphate and ischaemic leg ulcers;Haeger;VASA,1974
5. Serum-zinc and healing of venous ulcers;Hallbook;Lancet,1972