1. Quantitative videofluoroscopic analysis of penetration-aspiration in post-stroke patients
2. Effects of Shaker exercise in stroke survivors with oropharyngeal dysphagia
3. Easterling C, Kern M, and Nitschke T et al. Restoration of oral feeding in 17 tube fed patients by the Shaker Exercise. Dysphagia 2000;15:105-9.
4. Hong DK, Kyoung KS, and Yu DH. The effect of Shaker exercise on swallowing function of stroke patients. Journal of Korean Society of Occupational Therapy 2012;20:55-66.
5. Kim KD. The effect of PNF neck-flexion exercise on swallowing function of chronic stroke patients. Doctor's Degree: Daegu university; 2015.