APPLICATION OF SMALL-ANGLE LASER RADIATION SCATTERING IN QUALITY CONTROL OF PHARMACEUTICAL POWDERS AND SUSPENSIONS. PART 2. BARIUM SULFATE Article Ul'yantsev A.S., Uspenskaya E.V., Sorokina N.S., Pleteneva T.V., Syroeshkin A.V. Khimiko-Farmatsevticheskii Zhurnal. ООО Фолиум. Vol. 43. 2009. P. 48-50