1. He had blood sent for a variety of tests, including bacterial culture . 2. Instead, toxins excreted by anthrax bacteria are filtered from a bacterial culture . 3. If it's proper sour cream-just cream and various bacterial cultures -it will likely separate. 4. Ask them if the endoscopes are checked with periodic bacterial cultures . 5. These results were determined by visual assessments and bacterial cultures . 6. He is also credited with developing a formalin for the preservation of bacterial cultures . 7. Although highly specific, bacterial culture of " H . influenzae " lacks in sensitivity. 8. Bacterial culture may need to be performed in cases of a negative rapid streptococcal test.9. Within a few days, Douglas produced a new and superior peptone medium for bacterial culture . 10. This diagnosis can be confirmed using laboratory tests such as bacterial culture , PCR and ELISA.