Assertion: urine | /r/MadeOf | protein
Facets:
Source sentences:
text: Third, the pharmaceutical product in milk has to be extensively purified because milk is filled with fat and protein, while urine contains little fat and protein, simplifying the purification of the product.
text: Urine contains proteins and other substances that are useful for medical therapy and are ingredients in many prescription drugs (e.g., Ureacin, Urecholine, Urowave).[citation needed]
text: Urine contains 95% water and 5% waste material (excess fluids, water-soluble molecules, nitrogen, vitamins, minerals, proteins, antibodies, and other metabolites).