Authors: SOBIN J NATHANSON A ENGSTROM CF

Citation: J. Sobin et al., ENDOLUMINAL ULTRASONOGRAPHY - A NEW METHOD TO EVALUATE DYSPHAGIA, ORL, 58(2), 1996, pp. 105-109

Authors: SOBIN J NATHANSON A ENGSTROM CF NILSSON R

Citation: J. Sobin et al., THE NORMAL WALL OF THE ESOPHAGUS AS SEEN BY ENDOLUMINAL ULTRASONOGRAPHY, ORL, 57(4), 1995, pp. 220-223