Parke Davis collectible ink blotter from the 1940s advertising Viderol. The advertisement states that use of the product "in rheumatoid arthritis is based on numerous reports concerning high dosage vitamin D, promising results with tocopherols in fibrositis, and the fact that arthritic patients frequently have liver disruption." It is supplied in bottles of 100 and 500. Ingredients list and dosage are provided. The Parke Davis identifier is bl-125-2.
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7 X 3.5 inches
Parke, Davis & Company, “Viderol,” American Institute of the History of Pharmacy Digital Collection, accessed December 3, 2023, https://aihp.omeka.net/items/show/618.