| Antioxidant activity of galantamine and some of its derivatives D Tsvetkova, D Obreshkova, D Zheleva-Dimitrova, L Saso Current medicinal chemistry 20 (36), 4595-4608, 2013 | 74 | 2013 |
| Application of approved cisplatin derivatives in combination therapy against different cancer diseases D Tsvetkova, S Ivanova Molecules 27 (8), 2466, 2022 | 44 | 2022 |
| Simultaneous identification and determination of total content of aminoacids in food supplements–tablets by gas chromatography DP Obreshkova, DD Tsvetkova, KV Ivanov Asian Journal of Pharmaceutical and Clinical Research 5 (2), 57-68, 2012 | 31 | 2012 |
| Role of phytoestrogens in prevention of osteoporosis S Pankova, D Tsvetkova Int J Curr Pharm Res 7 (2), 1-6, 2015 | 14 | 2015 |
| Application of validated TLC-densitometric method for simultaneous identification and determination of losartan potassium, telmisartan, and valsartan in tablets D Tsvetkova, D Obreshkova JPC-Journal of Planar Chromatography-Modern TLC 25 (4), 326-330, 2012 | 12 | 2012 |
| Quality control of aminoacids in organic foods and food supplements DP Obreshkova, KV Ivanov, DD Tsvetkova, SA Pankova International Journal of Pharmacy and Pharmaceutical Sciences 4 (2), 404-409, 2012 | 12 | 2012 |
| Investigation of some pharmacological effects of Caffeine and Taurine in food supplements DD Tsvetkova, RC Klisurov, SA Pankova, BA Zlatkov Int J Nutr Food Sci 4 (1), 18, 2015 | 11 | 2015 |
| Estimation of an antioxidant activity of new peptide esters of Galanthamine by applying of Ferric reducing antioxidant power (FRAP) method D Tsvetkova, D Zheleva-Dimitrova, D Obreshkova Compt. Rend. Acad. Bulg. Sci 66 (3), 444-450, 2013 | 9 | 2013 |
| Validation of UV-spectrophotometric method for identification and determination of angiotensin II receptor antagonist Losartan Potassium DD Tsvetkova, DP Obreshkova Int. J. Pharm. Pharm. Sci 4, 428-431, 2012 | 9 | 2012 |
| Validation of HPLC method for determination of antioxidant vitamin C and vitamin B6 in food supplements and drugs B Kirilov, D Obreshkova, D Tsvetkova Int. J. Pharm. Pharm. Sci 4, 300-304, 2012 | 7 | 2012 |
| Validation of HPLC method for determination of L–Arginine in Tonotyl® solution DP Obreshkova, DD Tsvetkova, KV Ivanov International Journal of Pharmacy and Pharmaceutical Sciences 4, 429-432, 2012 | 7 | 2012 |
| Validation of TLC densitometry for simultaneous quality and quantity analysis of angiotensin II receptor antagonists Losartan, Telmisartan and Valsartan D Tsvetkova, D Obreshkova, S Ognjanov Compt Rend Acad Bulg Sci 64 (1), 39-44, 2011 | 7 | 2011 |
| Estimation of validation parameters of UV-Spectrophotometric method for analysis of Valsartan D Tsvetkova, S Ivanova Journal of Advanced Pharmacy Education & Research| Jul-Sep 8 (3), 2018 | 6 | 2018 |
| Telmisartan quality control by validation of UV-spectrophotometric method D Tsvetkova, D Obreshkova, S Ivanova, V Yankov, P Atanasov, ... International Journal of Innovative Research in Medical Science (IJIRMS) 1 (04), 2016 | 5 | 2016 |
| Validation of HPLC method with UV-detection for determination of yohimbine containing products D Obreshkova, D Tsvetkova Pharmacia 63 (3), 3-9, 2016 | 5 | 2016 |
| Application of UV-spectrophotometric method for determination of losartan potassium in tablets DD Tsvetkova, SA Ivanova INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES 5 (8), 8393-8401, 2018 | 4 | 2018 |
| Validation of TLC–densitometric method for simultaneous analysis of L–Leucine and L–Valine in additives K Ivanov, D Tsvetkova, D Obreshkova Compt. Rend. Acad, Bulg. Sci 64 (10), 1429-1434, 2011 | 4 | 2011 |
| Validation of HPLC Method for Simultaneous Determination of Galantamine Hydrobromide/Pymadine DD Tsvetkova, DP Obreshkova International Journal of Pharmaceutical Research and Allied Sciences 7 (3 …, 2018 | 3 | 2018 |
| Quality control of impurities and comparison of pharmacokinetic parameters of angiotensin receptor antagonists D Tsvetkova, D Obreshkova, S Ivanova, V Yankov, P Atanasov headache 2 (7), 2016 | 3 | 2016 |
| Validation of TLC–densitometric method for quality control of amoxicillin in dosage drug products V Petkova, DD Tsvetkova, DP Obreshkova, M Dimitrov, S Papanov, ... World Journal of Pharmacy and Pharmaceutical Sciences 3 (5), 995-1008, 2014 | 3 | 2014 |
