[1]
Venkata Kumar Ch, Nagamalleswara Rao K, Madhuri K, Anil Kumar Ch, and Kesava Rao T KV, “A quantitative determination of penbutolol and its metabolite in plasma by liquid chromatography tandem mass and its application to pharmacokinetic studies”, World J Pharm Sci, vol. 2, no. 2, pp. 149–160, Feb. 2014.