Factors Affecting Dissolution Rate of Sulpiride from Tablets Coated with Polyvinylacetal Dithylaminoacetate, a Gastric Fluid-Soluble Polymer. I. Effect of Ionic Strength of Gastrointestinal Fluids - HAMAGUCHI, Tsuneo; SHINKUMA, Denji; YAMANAKA, You; MIYAKE, Masatoshi; TAMURA, Shigeki; MIZUNO, Nobuyasu (Chemical & pharmaceutical bulletin, 1995)