As an alternative, Gram-stain-based microbiological diagnosis of BV has been proposed. To perform a Gram stain, vaginal fluid or discharge is collected on a glass slide, allowed to air-dry ...
In the early 1950s there were four vaccines routinely used in the United States: diphtheria, tetanus, pertussis, and smallpox. Three of these vaccines (diphtheria, tetanus, and pertussis ...
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