This section is from the book "Materia Medica And Therapeutics Inorganic Substances", by Charles D. F. Phillips. Also available from Amazon: Materia medica and therapeutics.
When the expectoration is profuse and semi-purulent, sponging of chest and trunk with the acid solution already mentioned is said to give much relief (Dr. Waring, op. cit. p. 443).
 
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