1. Acute oesophageal food impaction treated by gas-forming agents;Rice, B.T.; Spiegel, P.K.; Dombrowski, P.J.;Radiology,1983
2. Dislodgement of impacted foreign bodies with carbonated beserages;Mohammed, S.H.; Hegedos, V.,1986
3. Non-endoscopic relief of oesophageal obstruction;Campbell, N.; Sykes, P.A.;LarIcet,1986