Rifkin A, Quitkin F, Howard A, Klein D F
Psychopharmacologia. 1975 Oct 31;44(2):157-8. doi: 10.1007/BF00421003.
Twelve patients were abruptly switched from lithium to placebo as part of a double-blind cross-over study. In contrast to other drugs effective in mood disorders, lithium produced no withdrawal syndrome.