“…The evidence to support this view, however, is very weak (215,216). Most of the interest in citrate ion has been concerned with complex ion formation (167, 350), the content of bones and teeth (25,59,61,348,356,378), the correlation between blood levels of calcium and citrate ions (1,134,311,359), the relation between citrate ion and the action of vitamin D (156, 208, 289, 336), and the enzymatic synthesis and degradation of citrate ion in viable bone (104, 105).…”