Aplikasi model konservasi levine pada anak denan ketidakefektifan bersihan jalan napas yang menggunakan ventilasi mekanik di Pediatric Intensive Care Unit (PICU) RSUPN dr. Cipto Mangunkusumo = The Application of Myra E. Levine Conservation Model to Address Ineffectiveness of Airway Clearance on Children With Mechanical Ventilation in the Pediatric Intensive Care Unit (PICU) of RSUPN DR. CiptoMangunkusumo Jakarta.