Length of Stay Pasien di Instalasi Gawat Darurat ke Rawat Inap sebagai Indikator Mutu Pelayanan Kesehatan di Rumah Sakit Universitas Indonesia Tahun 2024: Analisis Lean Management = Length of Stay of Patients in the Emergency Department to Inpatient Care as an Indicator of Healthcare Service Quality at Universitas Indonesia Hospital in 2024: A Lean Management Analysis