Index of suspicion: case 1: leg cramps, hand spasms, diarrhea, and substantial weight loss in a 12 year old: case 2: hypothermia, hypoglycemia, and hyperbilirubinemia in a neonate: case 3: recurrent fevers, abdominal pain, and cervical lymphadenopathy in a 7 year old.
Patra KP, Dariya V, Thomas W, Herbst J, Martin J, Drury-Brown M, Hill I, Kerrigan J, Jung-Wu S, Tetteh B, Dickson P. Index of suspicion: case 1: leg cramps, hand spasms, diarrhea, and substantial weight loss in a 12 year old: case 2: hypothermia, hypoglycemia, and hyperbilirubinemia in a neonate: case 3: recurrent fevers, abdominal pain, and cervical lymphadenopathy in a 7 year old. Pediatr Rev. 2011 Jul; 32(7):299-305.