Molybdenum Metal (molybdenum, copper) accumulation and retention in brain, pituitary and other organs of ammonium tetrathiomolybdate-treated sheep https://www.cambridge.org/core/services/aop-cambridge-core/content/view/7CD2AEF5610D941B38EC634B1C8A6E83/S0007114598000579a.pdf/metal-molybdenum-copper-accumulation-and-retention-in-brain-pituitary-and-other-organs-of-ammonium-tetrathiomolybdate-treated-sheep.pdf Potassium Beyond Potassium Deficiency: The Role of Copper Toxicity https://www.htmaexperts.com/wp-content/uploads/2019/09/Article-Beyond-Potassium-Deficiency-The-Role-Of-Copper-Toxicity.pdf