Merck Manual

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Biting or chewing louse (order Mallophaga) and blood-sucking louse (order Anoplura).
Biting or chewing louse (order Mallophaga) and blood-sucking louse (order Anoplura).
Biting or chewing louse (order Mallophaga) and blood-sucking louse (order Anoplura).
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Lice of Dogs