Thermo Scientific™ Kit per colorazione Gram Remel™, 4 flaconi da 250 ml 250mL/Bottle; 4/Pk. Soluzioni di colorazione, coloranti e indicatori per microbiologia | Fisher Scientific
Gram Stain Kit, Large or Small | Carolina Biological Supply
Gram Stain Kit Advanced, with Stabilized Iodine, Produces Brighter Colors for Both Gram Positives and Negatives, 4x8 Ounce, by Hardy Diagnostics: Amazon.com: Industrial & Scientific