| http://www.w3.org/ns/prov#value | - Expectorants for example guaiphenesin, ammonium chloride, squill, sodium citrate and ipecacuanha may help chesty coughs.Some drug materials, e.g. garlic and squill, are extremely hygroscopic and in the presence of water tend to fuse into lumps which make them unsuitable for the percolation process.Vinegar flavoured with squill (also known as ???sea onion???, Urginea maritima) was a favourite condi
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