A study of the hexose-6-phosphate dehydrogenase gene R453Q and 11beta-hydroxysteroid dehydrogenase type 1 gene 83557insA polymorphisms in the polycystic ovary syndrome - San Millán, J L; Botella-Carretero, J I; Alvarez-Blasco, F; Luque-Ramírez, M; Sancho, J; Moghetti, P; Escobar-Morreale, H F (J Clin Endocrinol Metab, 2005)