objective(s): to evaluate the in vitro interaction between different extracts of thymbra spicata l. and certain antimicrobial drugs of different mechanisms, including ampicillin, cefotaxime, amikacin and ciprofloxacin. this study was performed against multidrug-resistant strains of staphylococcus aureus and klebsiella pneumoniae. materials and methods: evaluation of antibacterial activity and s...