EntityQ7880694· pop 7· linked from 44 articlesultratrace elementSign in to saveRare chemical element in organismConnectionshydroxylapatiteEntityironEntitycopperEntitylithiumEntitysulfurEntitytinEntityleadEntitysodiumEntityzincEntityphosphorusEntitypotassiumEntitymagnesiumEntitysiliconEntityfluorineEntityboronEntityInternational Standard Book NumberEntitychromiumEntityiodineEntitycobaltEntitynickelEntityCategoriesDietary minerals