Gloss measurement in detection of surface quality of pharmaceutical tablets: a case study of screening of genuine and counterfeit antimalaria tabletsPrince Bawuah, Pertti Pääkkönen and Kai-Erik PeiponenJ. Eur. Opt. Soc.-Rapid Publ., 13 1 (2017) 18DOI: https://doi.org/10.1186/s41476-017-0046-8