Serum procalcitonin and procalcitonin clearance as a prognostic biomarker of sepsis in a pediatric critical care setting: A tertiary care experience 2016–2021 - Rattapon Uppala; Phanthila Sitthikarnkha; Apichaya Kriengwatanasiri; Leelawadee Techasatian; Suchaorn Saengnipanthkul; Sirapoom Niamsanit; Pope Kosalaraksa (PLoS ONE, 2025)