Tubos de ensaio sobre fundo azul - Banco de fotos e imagens

Pipette adding yellow fluid to one of several test-tubes with flasks on light background

Dripping reagent into test tube on light blue background, closeup. Laboratory analysis

Test-tubes on blue background

Test-tubes with blue liquid on blue background

Pipette adding yellow fluid to one of several test-tubes with flasks on light background

Dripping reagent into test tube on light blue background, closeup and space for text. Laboratory analysis

Blue Test tubes close-up

Test tubes with samples, closeup

Test-tubes with liquid on color background. Drops from test stick

Pipette adding fluid to the one of test-tubes on blue background

Pipette adding fluid to the one of test-tubes on bright background