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A comprehensive volumetric analysis of the cerebellum in children and adolescents with autism spectrum disorder

Of those letters, 94 were based on an on-site inspection of the company, 27 were the result of records requests sent under section 704(a)(4) of the Federal Food, Drug, and Cosmetic Act (FD&C Act), six stemmed from testing product samples, and the remainder were generally based on review of product labels, registration materials, and/or websites

Last reviewed: June 6, 2026 Last updated: June 6, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations