in cancer of oesophagus,
in dilatation of oesophagus,
in organic stricture of oesophagus,
in oesophageal paralysis,
in acute pharyngitis,
in cancer of oesophagus,
in dilatation of oesophagus,
in organic stricture of oesophagus,
in oesophageal paralysis,
in acute pharyngitis,