Perbandingan luaran klinis, length of stay, nyeri pascaoperasi antara Enhanced Recovery After Surgery dan protokol konvensional pada Unilateral Total Knee Replacement: Sebuah uji klinis acak tersamar tunggal = Comparison of clinical outcomes, length of stay, postoperative pain between Enhanced Recovery After Surgery and conventional protocol in Unilateral Total Knee Replacement: A Single-blind randomized clinical trial