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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Gastroenterol Clin North Am. 2013 Jan 4;42(1):27–43. doi: 10.1016/j.gtc.2012.11.002

Fig. 4.

Fig. 4

Barium swallow of 2 patients with distal esophageal spasm. Note the typical pattern of rosary beads or corkscrew esophagus.