Diagnostic approach to hypoglycemia in infants and children. Adapted from Shepherd SP, Kalla A, Arbelaez AM. Endocrine Diseases, Chapter 14. In: Dusenbery SM, White A, eds. The Washington Manual of Pediatrics. Philadelphia, PA: Wolters Kluwer/Lippincott Williams & Wilkins, 2009;198–222. Adapted from the original with permission from the publisher.