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Lascar has contributed an article to the Pharmaceutical Record, January 5, giving the results of a vast number of trials with all the ointment bases, new and old, especially with the gelatine ointments and pastes of Unna. Many of the latter have as their base amylum and gum arabic, and Unna has found it serviceable to bring such pastes to a consistency so that they can be formed into sticks, and he is in the habit of incorporating in them a variety of medicaments, as iodoform 40 per cent., salicylic acid 10 to 40 per cent., resorcin the same, corrosive sublimate 5 to 10 per cent., oxide of sulpho-carbolate of zinc 20 per cent., or pyrogallic acid 40 per cent. These paste sticks require to be moistened when applied to the skin. They are not to be confounded with the salve-sticks which resemble the well-known cosmetic sticks of French origination.
UNNA'S PASTES AND PASTE-STICKS. JAMA. 1891;XVI(8):275. doi:10.1001/jama.1891.02410600023007
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