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presence of a number of novel h1n1 virus virions in this tissue culture sample
presence of numerous herpes simplex virions members of the herpesviridae virus family
negatively stained transmission electron micrograph revealed presence of numerous herpes simplex virions
electron micrograph reveals the presence of hepatitis b virus hbv dane particles or virions
digitally colorized transmission electron micrograph revealed the presence of hepatitis b virions
presence of russian spring summer encephalitis rsse virus virions in this tissue sample
presence of numerous st louis encephalitis virions that were contained within a central nervous system tissue sample
presence of a number of eastern equine encephalitis eee virus virions
photomicrograph of serohemorrhagic meningitis in a case of fatal human anthrax with the presence of bacillus anthracis
presence of two mycobacterium tuberculosis rod shaped bacteria otherwise known as bacilli
photomicrograh revealed the presence of mycobacterium tuberculosis bacteria in a sputum smear