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The crystalline composition of gallstones from Australia, England, Germany, India, Kuwait, South Africa, Sweden, and the USA has now been determined by the x-ray powder method. Eleven compounds were identified. The three cholesterols-cholesterol monohydrate, anhydrous cholesterol, and cholesterol II-account for 71% of the total crystalline material in the(More)
The crystalline composition of two collections of gallstones from patients in England and Australia have been determined by the x-ray powder diffraction technique. Twelve substances have been identified including a form of cholesterol which hitherto has not been reported. The weighted percentage composition averaged over each collection shows that(More)