Mutations in the genes encoding 11ß-hydroxysteroid dehydrogenase type 1 and hexose-6-phosphate dehydrogenase interact to cause cortisone reductase deficiency. - Draper, Nicole; Walker, Elizabeth A.; Bujalska, Iwona J.; Tomlinson, Jeremy W.; Chalder, Susan M.; Arlt, Wiebke; Lavery, Gareth G.; Bedendo, Oliver; Ray, David W.; Laing, Ian; Malunowicz, Ewa; White, Perrin C.; et al. (Nature Genetics, 2003)