cholecystectomy Argentina 2 Article 2 Biomarkers 2 Child, Preschool 2 DNA 2 Erythrocytes 2 Female 2 G6PD DNA variants 2 G6PD deficiency 2 Genetic Variation 2 Glucosephosphate Dehydrogenase 2 Glucosephosphate Dehydrogenase Deficiency 2 Hematologic Tests 2 Hemolytic anemia 2 Humans 2 Male 2 Polymerase Chain Reaction 2 Prognosis 2 Protein Conformation 2 alanine 2 amino acid substitution 2 biological marker 2 blood biochemistry 2 blood examination 2 case report 2 chemistry 2 child 2 chronic nonspherocytic hemolytic anemia 2 colecistectomía 2