| Activity of Bulgarian propolis against 94 Helicobacter pylori strains in vitro by agar-well diffusion, agar dilution and disc diffusion methods L Boyanova, G Gergova, R Nikolov, S Derejian, E Lazarova, N Katsarov, ... Journal of medical microbiology 54 (5), 481-483, 2005 | 321 | 2005 |
| Prevalence and evolution of Helicobacter pylori resistance to 6 antibacterial agents over 12 years and correlation between susceptibility testing methods L Boyanova, G Gergova, R Nikolov, L Davidkov, V Kamburov, C Jelev, ... Diagnostic microbiology and infectious disease 60 (4), 409-415, 2008 | 135 | 2008 |
| Inhibition of Helicobacter pylori growth in vitro by Bulgarian propolis: preliminary report L Boyanova, S Derejian, R Koumanova, N Katsarov, G Gergova, I Mitov, ... Journal of Medical Microbiology 52 (5), 417-419, 2003 | 100 | 2003 |
| Efficacy, safety and tolerability of vidofludimus in patients with inflammatory bowel disease: the ENTRANCE study KR Herrlinger, M Diculescu, K Fellermann, H Hartmann, S Howaldt, ... Journal of Crohn's and Colitis 7 (8), 636-643, 2013 | 86 | 2013 |
| Honey and green/black tea consumption may reduce the risk of Helicobacter pylori infection L Boyanova, J Ilieva, G Gergova, B Vladimirov, R Nikolov, I Mitov Diagn Microbiol Infect Dis 82 (1), 85-6, 2015 | 66 | 2015 |
| Education systems in the digital age: The need for alignment D Butler, M Leahy, P Twining, B Akoh, Y Chtouki, S Farshadnia, K Moore, ... Technology, Knowledge and Learning 23, 473-494, 2018 | 53 | 2018 |
| Competence based framework for curriculum development R Nikolov, E Shoikova, E Kovatcheva Bulgaria: Za bukvite, O‟ pismeneh, 2014 | 48 | 2014 |
| Learning in a smart city environment R Nikolov, E Shoikova, M Krumova, E Kovatcheva, V Dimitrov, ... Journal of Communication and Computer 13 (7), 338-350, 2016 | 44 | 2016 |
| Prevalence of resistant Helicobacter pylori isolates in Bulgarian children L Boyanova, R Koumanova, G Gergova, M Popova, I Mitov, Y Kovacheva, ... Journal of medical microbiology 51 (9), 786-790, 2002 | 43 | 2002 |
| Two-decade trends in primary Helicobacter pylori resistance to antibiotics in Bulgaria L Boyanova, R Nikolov, G Gergova, I Evstatiev, E Lazarova, V Kamburov, ... Diagnostic microbiology and infectious disease 67 (4), 319-326, 2010 | 42 | 2010 |
| Antibacterial resistance in Helicobacter pylori strains isolated from Bulgarian children and adult patients over 9 years L Boyanova, R Nikolov, E Lazarova, G Gergova, N Katsarov, V Kamburov, ... Journal of medical microbiology 55 (1), 65-68, 2006 | 41 | 2006 |
| Conceptualising of smart education. E Shoikova, R Nikolov, E Kovatcheva Electrotechnica & Electronica (E+ E) 52, 2017 | 33 | 2017 |
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| Towards web 2.0 schools: Rethinking the teachers professional development R Nikolov Working Joint IFIP Conference: WG3. 1 Secondary Education, WG3. 5 Primary …, 2007 | 30 | 2007 |
| ICT-enhanced teacher training for lifelong competence development K Stefanov, I Naskinova, R Nikolov IMICT 2007, 1, 2007 | 29 | 2007 |
| Начала информатики. Язык Лого СЕ Николов Р Наука, 1989 | 28 | 1989 |
| Extended architecture of knowledge management system with Web 2.0 technologies A Antonova, E Gourova, R Nikolov | 25 | 2009 |
| Review of the impact of technology-enhanced learning on roles and practices in Higher Education S Price | 25 | 2005 |
| A virtual environment for distance education and training R Nikolov, I Nikolova IFIP WG3. 6 Conference, Vienna, 1996 | 25 | 1996 |
| Evaluation of clinical and socio-demographic risk factors for antibacterial resistance of Helicobacter pylori in Bulgaria L Boyanova, J Ilieva, G Gergova, Z Spassova, R Nikolov, L Davidkov, ... Journal of medical Microbiology 58 (1), 94-100, 2009 | 24 | 2009 |
