Naylor G J, Smith A H, Bryce-Smith D, Ward N I
Biol Psychiatry. 1984 May;19(5):759-64.
Vanadium content of hair from manic patients, recovered patients, and normal controls was measured by neutron activation analysis. The mean vanadium content of the hair of the manic group was significantly higher than that of the control group and that of the group of recovered manics.