Journal of Pharmaceutical Investigation《医药研究杂志》(双月刊). Journal of Pharmaceutical Investigation(J. Pharm. Investig.), the official journal of the Korean Society of Pharmaceutical Sciences and Technology, is an international, peer-reviewed journal that covers all pharmaceutical sciences, including engineering, regulatory, physicochemical, biological, and microbiological studies related to the conception, design, production, characterization and evaluation of pharmaceutical products and drug delivery systems. It is a bimonthly journal published in January, March, May, July, September, and November.