Steroid biomarkers and genetic studies reveal inactivating mutations in hexose-6-phosphate dehydrogenase in patients with cortisone reductase deficiency. by Lavery, G, Walker, E, Tiganescu, A, Ride, J, Shackleton, C, Tomlinson, J, Connell, J, Ray, D, Biason-Lauber, A, Malunowicz, E, Arlt, W, Stewart, P