TUESDAY, Dec. 30, 2025 (HealthDay News) -- The visual analog scale (VAS) demonstrates comparable validity for perennial allergic rhinitis (PAR) and nonallergic rhinitis (NAR) severity and ...
The visual analog scale (VAS) demonstrates comparable validity for perennial allergic rhinitis (PAR) and nonallergic rhinitis (NAR) severity and quality-of-life (QoL) impairment, according to a study ...
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