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For influenza A, there are at least 18 hemagglutinin (HA) and 12 neuraminidase (NA) subtypes, with group 1 and group 2 species sharing only ~37% sequence homology for HA and NA proteins and only ~25% sequence homology with influenza B species (reviewed in ref
Validating this biological reality is the essential first step toward meaningful, compassionate management and recovery
1 2 "Elevated expression of ageing and immunity genes in queens of the black garden ant"
Understanding what these tests measure is paramount for the discerning scientist
The increased volume and pressure within the stomach may make it easier for acidic contents to flow back into the esophagus, especially in patients with pre-existing risk factors
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