Hettiarachchi, T. W.; Wickramaratne, D. B. M.; Sudeshika, S. H. T.; Niyangoda, D.; Sakeena, M. H. F.; Herath, H. M. D. R. COMPARATIVE IN-VITRO EVALUATION OF METFORMIN HCl AND PARACETAMOL TABLETS COMMERCIALLY AVAILABLE IN KANDY DISTRICT, SRI LANKA. Int J Pharm Pharm Sci 2015, 7, 520-524.