Medieval Bloodletting #1
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Pitie-salpetriere Hospital, 1795 #2
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Influenza A Virus #3
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Winner Of Pie-eating Contest, C.1950s
H Armstrong Roberts ClassicStock
Escherichia Coli Bacteria
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Ebola Virus
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Ebola Virus #1
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Escherichia Coli Bacteria #1
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Feline Panleukopenia Virus
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Ebola Virus #2
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Bacteriophages #1
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Yellow Fever Virus
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Breast Cancer Cell #4
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Virus Particles #3
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Rotavirus #2
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Hiv #1
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West Nile Virus #2
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Cholera Bacteria #7
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Tapeworm Cestoda #2
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Common Cold Virus #1
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Escherichia Coli Bacteria #8
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Bacteriophage #2
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Bacteriophages #5
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Ebola Virus #4
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Tapeworms Cestoda #1
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Escherichia Coli Bacteria #9
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Bacteriophages #6
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Flea Pulex Irritans #4
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Tapeworm Cestoda #3
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Feline Panleukopenia Virus #3
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West Nile Virus #9
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Cholera Bacteria #15
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Bacteriophages #8
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Escherichia Coli Bacteria #13
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Papillomavirus #4
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Dust Mite #9
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West Nile Virus #10
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Tapeworms Cestoda #2
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Cholera Bacteria #20
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Tapeworm Cestoda
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Obesity #16
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Escherichia Coli Bacteria #2
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Tapeworm Cestoda #1
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Ebola Virus #3
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Rotavirus #1
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Bacteriophages #2
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Escherichia Coli Bacteria #5
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Bacteriophages #3
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Escherichia Coli Bacteria #7
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Parasitic Worm Schistosoma #2
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Yellow Fever Virus #3
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Murine Polyomavirus #4
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Ebola Virus #5
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Rotavirus #3
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Escherichia Coli Bacteria #10
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Ebola Virus #6
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Echo Virus #4
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Escherichia Coli Bacteria #11
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Escherichia Coli Bacteria #12
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Flea Pulex Irritans #5
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Bacteriophages #9
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Sickle-cell Disease #11
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Tapeworm Cestoda #4
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Rotavirus #4
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Ebola Virus #7
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Virus Particles #20
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Pitie-salpetriere Hospital, 1795 #1
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Robert Scott, English Explorer
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Dust Mite #3
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Rubella Virus #8
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