Proceedings of a symposium 1st multi-disciplinary international symposium on supraesophageal complications of reflux disease : November 21-23, 1996, Tucson, Arizona / edit. Reza Shaker Vol. 103 No. 5A [Supl.] 1997. Riverton : Excerpta Medica, 1997. 150 s.   [1, z toho voľných 0, prezenčne 1]