Katsinelos, P., Kountouras, J., Paroutoglou, G., Beltsis, A., Zavos, C., Papaziogas, B., & Mimidis, K. (2005). Long-term results of pneumatic dilation for achalasia: A 15 years’ experience. World J Gastroenterol.

Katsinelos, Panagiotis, Jannis Kountouras, George Paroutoglou, Athanasios Beltsis, Christos Zavos, Basilios Papaziogas, and Kostas Mimidis. "Long-term Results of Pneumatic Dilation for Achalasia: A 15 Years’ Experience." World J Gastroenterol 2005.

Katsinelos, Panagiotis, et al. "Long-term Results of Pneumatic Dilation for Achalasia: A 15 Years’ Experience." World J Gastroenterol 2005.