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brown and brenn stained lung tissue sample revealed the histopathologic changes
gram stained urethral exudate sample from a male who presented with a case of urethritis
entomologic field technician using a suction pipette in order to trap mosquito larvae in a water sample
presence of numerous dark bullet shaped rabies virions within an infected tissue sample
fresh stool sample which had been prepared using a 10 percent formalin solution and stained with safranin
coronavirus virions in this tissue sample coronavirus is a member of the virus family coronaviridae
clinician shown here is obtaining a blood sample
clinician obtaining a human blood sample from a child during an arbovirus study
extracting a blood sample from a green monkey cercopithecus aethiops
extracted a blood sample from a resident of the town of yambuku zaire
blood sample being taken from an animal for a serological vaccine against cattle plague passes test
kiche maya man from solola proudly shows a sample of his snow pea harvest
sample of baskets crafts african design
farmer shows a sample of the chili peppers he sold at the international red chili pepper festival
