1. Absence of steroid acne in children;Cook;Arch. Derm. (Chicago),1964
2. Enzymatic deter-mination of hydroxysteroids in human skin surface lipids;Cook;J. Invest. Derm.,1963
3. The behaviour of 14-C Cortisol and estimation of Cortisol production rate in man;Cope,1958
4. Textbook of Endocrinology;Williams,1962
5. The Merck Index of Chemicals and Drugs,1960