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Merck Manual
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Vaginal cytology typical of the diestrual shift, dog
Vaginal cytology typical of the diestrual shift, dog
Vaginal cytology typical of the diestrual shift, dog

Vaginal cytology during this stage is abruptly altered by the reappearance of parabasal epithelial cells and frequently neutrophils, as seen here.

Courtesy of Dr. Autumn Davidson.

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