Nikolai Katsarov

Activity of Bulgarian propolis against 94 Helicobacter pylori strains in vitro by agar-well diffusion, agar dilution and disc diffusion methods

Lyudmila Boyanova, Galina Gergova, Rossen Nikolov et al. · Journal of Medical Microbiology · 2005 · 240 citations

Agar-well Diffusion, Bulgarian Propolis, Mg Propolis +5

Inhibition of Helicobacter pylori growth in vitro by Bulgarian propolis: preliminary report

Lyudmila Boyanova, Sirigan Derejian, Radka Koumanova et al. · Journal of Medical Microbiology · 2003 · 48 citations

Food Preservatives, Bulgarian Propolis, In Vitro Fermentation +9

Numerous risk factors for Helicobacter pylori antibiotic resistance revealed by extended anamnesis: a Bulgarian study

Lyudmila Boyanova, Juliana Ilieva, Galina Gergova et al. · Journal of Medical Microbiology · 2011 · 44 citations

H. Pylori Strains, Antibiotic Resistance, Drug Resistance +16

Antibacterial resistance in Helicobacter pylori strains isolated from Bulgarian children and adult patients over 9 years

Lyudmila Boyanova, Rossen Nikolov, Elena Lazarova et al. · Journal of Medical Microbiology · 2005 · 29 citations

Prevalence of resistant Helicobacter pylori isolates in Bulgarian children

Lyudmila Boyanova, Radka Koumanova, Galina Gergova et al. · Journal of Medical Microbiology · 2002 · 25 citations

Combined Resistances, Antimicrobial Susceptibility, Health Sciences +15