1. Pyoderma gangrenosum vs, malignant pyoderma: lumpers vs splitters;Malkinson;Arch Dermatol,1987
2. Pyoderma gangrenosum involving the head and neck;Snyder;Arch Dermatol,1986
3. Malabsorption of cyclosporin in renal transplant recipient with Crohn's disease;Barr;Lancet,1987
4. Rare and unusual manifestations of Crohn's disease with pyoderma gangrenosum and sclerosing cholangitis;Segal;S Afr Med J,1979
5. Advanced dermatologie therapy;Shelley,1987