Ketepatan prediksi diameter pipa endotrakea tanpa kaf pada pasien pediatrik ras Melayu usia 1-6 tahun di RSUPN Cipto Mangunkusumo: perbandingan antara pengukuran ultrasonografi dengan rumus cole = The Accuracy of prediction uncuffed endotracheal tube size in pediatric patients amongs Malay race ages 1-6 years old in Cipto Mangunkusumo comparison between ultrasound measurement of cole formulary - Ade Rohmana, author (2016)