Petrick S W
J S Afr Vet Assoc. 1978 Jul;49(2):139-40.
Five dogs with achalasia were examined pre- and post-operatively. Photos were taken of the diseased oesophagus, cardia, cardia with retroversion and the cardia following surgery. The normal structures are also shown.
对五只患有贲门失弛缓症的狗进行了术前和术后检查。拍摄了患病食管、贲门、贲门伴胃扭转及术后贲门的照片。同时也展示了正常结构。