Influence of Hydrophilic Polymers on the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:mi mathvariant="bold-italic">β</mml:mi></mml:mrow></mml:math>Factor in Weibull Equation Applied to the Release Kinetics of a Biologically Active Complex of<i>Aesculus hippocastanum</i>
International journal of polymer science