bibliographicCitation |
Ivanova V, Zendelovska D, Stefova M, Stafilov T. HPLC method for determination of verapamil in human plasma after solid-phase extraction. Journal of Biochemical and Biophysical Methods. 2008 Apr;70(6):1297–303. doi: 10.1016/j.jbbm.2007.09.009. |