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$66.45Glucose Nonfermenting Gram-Negative Bacteria in Clinical Microbiology (Routledge Revivals)Amazon- $7.89EISCO Bacillus Smear, Gram Negative Stain - Prepared Microscope Slide - 75 x 25mm - Biology & MicroscopyAmazon
- $15.90Carolina Biological Supply Company Mixed Gram-Positive & Gram-Negative Coccus, w.m. Gram Stain Microscope SlideOriental Trading Company
- $45.00Volu-Sol Gram Stain Kit - Distinguish Gram-Positive from Gram-Negative Microorganisms with Precision, Comprehensive Microscope Accessories & Staining Kit, for Laboratories & Education - 125 mL / 4ozAmazon