Cholelithiasis Adolescent 2 Child 2 Child, Preschool 2 Hemolytic anemia 2 Hereditary spherocytosis 2 Humans 2 Hyperbilirubinemia 2 Review 2 Spherocytosis, Hereditary 2 Splenectomy 2 Treatment Outcome 2 adolescent 2 antibiotic therapy 2 aplastic crisis 2 child 2 cholelithiasis 2 complication 2 early diagnosis 2 follow up 2 hereditary spherocytosis 2 human 2 outcome assessment 2 preschool child 2 prophylaxis 2 quality of life 2 splenectomy 2 symptomatology 2 treatment outcome 2 Case- Control Studies 1