[1]
Yurchenko, O.I., Osipov, A.V., Dobriyan, M.A. and Chernozhuk, T.V. 2014. Validation of the method of spectrophotometric determination of nicotinic acid in preparations. Kharkiv University Bulletin. Chemical Series. 24 (Oct. 2014), 140-144. DOI:https://doi.org/10.26565/2220-637X-2014-24-17.