Any drug used to combat oesophageal reflux[?]. Commonly, following ingestion a 'raft' of alginic acid is created, floating on the stomach contents by carbon dioxide released by the drug. This forms a mechanical barrier to further reflux. Some preparations also contain antacids to protect the oesophagus.
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Roy Chapman Andrews, (1884-1960), US explorer
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Vasco Nunez de Balboa, (c. 1475-1519), (- Spanish, first to sight the Pacific Ocean, founded Darién, oldest ...