A Randomized Controlled Trial of Prochlorperazine Versus Metoclopramide for Treatment of Acute MigraineBenjamin W. Friedman; David Esses; Clemencia Solorzano; Niels Dua; Peter Greenwald; Radu Radulescu; Esther Chang; Michael Hochberg; Caron Campbell; Amish Aghera; Tyson Valentin; Joseph Paternoster; Polly Bijur; Richard B. Lipton; E. John Gallagher · 2008