The Upjohn Company booklet The Use Of Phenolphthalein As A Cathartic - Case Reports. The booklet sights 38 cases in which Phenolphthalein was used to treat various illnesses. The cases detailed were reported by Vivien from the service of Dr. Tison at the Hospital Saint Joseph, Paris, France in the early 1900's. In excellent vintage condition with very light age appropriate wear. Booklet measures 7 1/4" X 4 1/2".