back and forth
1. Backward and forward; to and fro.2. From side to side.backʹ-and-forth' (băkʹăn-fôrth', -fōrth') n. & adj.
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Chlorpromazine and the Phenothiazine Antipsychotics — (from 1952). Prehistory: In 1883, August Bernthsen (1855–1931), a postdoctoral student in chemistry at Heidelberg, synthesized a hydrocarbon molecule with two benzol rings connected to each other by a sulfur and a nitrogen atom. Writing in… … Historical dictionary of Psychiatry