This section is from the book "A Text-Book Of Materia Medica, Pharmacology And Therapeutics", by George F. Butler. Also available from Amazon: A text-book of materia medica, pharmacology and therapeutics.
Pepsini (Glycerole of Pepsin). - Each 4 Cc. (fluidrachm) represents 0.3 (5 grains) of Pepsin. Picis Liquidae (Tar). - Containing about 0.3(5 grains) of Tar. Tragacanthae. - Containing about 12 per cent, of tragacanth.
 
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