-
Bacteria On Surface Of Skin, Mucous Membrane Or Intestine
-
Bacteria Strain
-
Salmonella Bacteria
-
Enterobacterias. Gram-Negative Bacterias Escherichia Coli, Salmonella, Klebsiella, Legionella, Mycobacterium Tuberculosis, Yersinia Pestis, And Shigella, Proteus, Enterobacter, Serratia, And Citrobacter.
-
Germs Of Tuberculosis, Vintage Engraving.
-
Bacteria Virus Under Microscope