1. Lowering of serum cholesterol by ultraviolet irradiation;Altschul;Geriatrics,1955
2. Der Einfluss von ultravioletter Bestrahlung auf Serum Cholesterin;Altschul;Strahlentherapie,1955
3. Effect of diet on tumors induced by ultraviolet light;Baumann;Amer. J. Cancer,1939
4. Incorporation of acetate into various sterols by skin slices;Brooks;J. biol. Chem.,1957
5. Vitamin D der Haut, Bildung und biologisches Verhalten;Bekemeier,1966