Seethikaew, N., Chotikunnan, P., Vongleasagoon, W., Nitipipatkosol, J., Kaewrakmook, S. and Thakhamma, S. 2022. Effects of Using Chest Vibration Innovation on the Efficacy of Secretion Drainage in Children with Pneumonia. Journal of Research in Nursing-Midwifery and Health Sciences . 42, 1 (Apr. 2022), 85–96.