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International Journal of Pediatric Otorhinolaryngology. 2015;79(8):1235-1239 
Effect of vowel context on test–retest nasalance score variability in children with and without cleft palate
International Journal of Pediatric Otorhinolaryngology. 2018;109:72-77
Nasalance Variability in 3- to 5-Year-Old Children during Production of Speech Stimulus in Three Vowel Contexts
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Test-Retest Nasalance Score Variability in Hypernasal Speakers
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TEST-RETEST VARIABILITY IN SPEECH DISCRIMINATION TESTING
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Test-retest variability of multifocal electroretinography in normal volunteers and short-term variability in hydroxychloroquine users
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Reproducibility of the walking patterns of normal young adults: test-retest reliability of the walk ratio(step-length/step-rate)
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Test-retest variability in normal swallowing
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Test-retest Reliability of Speech Recognition Thresholds
using the Korean Standard Bisyllabic Word List for Adults
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Differential effects Of Speaker and Vowel Variability on Fricative Perception
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