a supply of phisohex; to Messrs. Hough-Hoseason for supplies of ster-zac liquid soap and tegolan emulsion; to Mr. J. W. Hadgraft, of the Royal Free Hospital, for a supply of compound hexachlorophane cream; to British Drug Houses for a supply of dichlorophene; to Pearson's Antiseptic Company Limited for supplies of hycolin cream and liquid soap; to Willows Francis Limited for supplies of steriloderm and steriloderm forte; to Berk Pharmaceuticals Limited for a supply of betadine surgical scrub; and to Mrs. M. Kilner for secretarial assistance.