Ketepatan Visual Analog Scale Terhadap Peak Nasal Inspiratory Flow Pada Pengukuran Sumbatan Hidung Penderita Rinitis Alergi Persisten Accuracy Of Visual Analog Scale Compared To Peak Nasal Inspiratory Flow In Measurement Of Nasal Obstruction In Patients With Persistent Allergic Rhinitis - Nursanti, Ari (2011)