Drupal-Bibcite0<style face="normal" font="default" size="100%">Epidemiological insights and clinical management of paediatric kala-azar in Shanxi Province (2014–2023): retrospective analysis of case characteristics and therapeutic strategies</style><style face="normal" font="default" size="100%">Epidemiological insights and clinical management of paediatric kala-azar in Shanxi Province (2014–2023): retrospective analysis of case characteristics and therapeutic strategies</style>