1. Serum levels after oral zinc;Abdulla;Lancet,1973
2. Lack of acceleration of healing with zinc sulfate;Barcia;Ann. Surg.,1970
3. Oral zinc in cutaneous healing;Carruthers;Drugs,1973
4. Double-blind trial of zinc sulfate in patients with leg ulcers;Clayton;Brit. J. Clin. Pract.,1972
5. Zinc sulfate and bedsores;Cohen;Brit. Med. J.,1968