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Impression
(redirected from impression smear)

   Also found in: Dictionary/thesaurus, Medical, Legal, Encyclopedia, Wikipedia 0.01 sec.
Impression
A user's view of an online advertisement. Each time a website viewer sees an online ad, this is one impression. The more impressions an ad receives, the more likely it is that a user will click on it. Most online ads are sold by cost per thousand of impressions. See also: CPC.


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This identification is done by various methods like scotch tape sampling, impression smear, skin scraping with blade, cotton swab method, and skin biopsy.
Impression smears and biopsy tissues were sent to the Special Pathogens Unit, National Institute for Communicable Diseases (NICD), Sandringham, South Africa, and to the Health Protection Agency (HPA), Centre for Emergency Preparedness and Response, Porton Down, Salisbury, United Kingdom.
Most dermatology texts rely heavily on images, not only to identify the disease in the animal but also to illustrate diagnostic samples from tests, such as tape prep examinations and impression smears.
 
 
 
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