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 Indian J Med Microbiol  
 

Figure 4: Barium esophagogram in a case of secondary achalasia reveals the morphology of distal esophagus to be similar to that of primary achalasia. Also note tertiary contractions

Figure 4: Barium esophagogram in a case of secondary achalasia reveals the morphology of distal esophagus to be similar to that of primary achalasia. Also note tertiary contractions