P. A. Vöhringer, B. A. Palma, Álvaro A. Provoste, M. I. Carrasco, M. G. Rojas, and S. N. Ghaemi, “Trace-dosage of lithium for prevention of cognitive declining in mood illnesses: a randomized double-blind, placebo-controlled, study protocol”, Int J Clin Trials, vol. 12, no. 2, pp. 121–126, Apr. 2025.