Structural requirements of Na+-dependent antidopaminergic agents: Tropapride, Piquindone, Zetidoline, and Metoclopramide Comparison with Na+-independent ligands. - Sonia Collin; Daniel P. Vercauteren; Didier Vanderveken; Guy Evrard; François Durant (J. Comput. Aided Mol. Des., 1989)