INCREASE IN THE RATE OF MOISTURE GAIN BY HYGROSCOPIC DRUGS IN THE PRESENCE OF NON-HYGROSCOPIC WATER-SOLUBLE SUBSTANCES: STUDY OF THE GENERALIZATION OF THIS HITHERTO UNKNOWN PHENOMENON, EXPLANATION TO ITS OCCURRENCE AND IMPLICATIONS IN FORMULATION DEVELOPM. AJP. 2016;1(1). doi:10.22377/ajp.v1i1.743