Bschor, T., Uhr, M., Baethge, C., Lewitzka, U., Ising, M., Erbe, S., et al. (2013). Acute Antidepressive Efficacy of Lithium Monotherapy, Not Citalopram, Depends on Recurrent Course of Depression. Journal of Clinical Psychopharmacology, 33(1), 38-44.