2Borhan-Manesh F,Farnum JB.Incidence of heterotopic gastric mucosa in the upper oesophagus[J].Gut 1991,32(9):968-972.
3Bogomoletz WV,Geboes K,Feydy P,et al.Mucin histochemistry of heterotopic gastric mucosa of the upper esophagus in adults:possible pathogenic implications[J].Hum Pathol,1988,19(11):1301-1306.