1. Sensitive determination of free and plasma protein bound dipyridamole by high pressure liquid chromatography;Berberi;J. Chromatogr. Biomed. Appl.,1991
2. New spectrophotometric method based on reaction with vanillin in methanol phosphoric acid medium and folin reagent for determination of nifedipine in dosage forms;Bruno;Ind. J. Pharm. Sci.,1988
3. The gas chromatographic determination of atenolol in biological samples;Bryan;J. Pharm. Pharmacol.,1975
4. Absorption spectroscopy;Connors,1982
5. Determination of drugs in dosage forms by difference spectrophotometry;Doyle;J. Pharm. Sci.,1974