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Behavioral Assessments Behavioral analysis in areas of ASD behavior and severity, communication, developmental status, and behavioral problems were conducted at baseline visits 3 and 4 as well as at the end of the study during follow-up visits 6 and 7

Sariol and Perlman, 2021)

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Normal levels of both methylmalonic acid and total homocysteine almost certainly rule out clinically significant cobalamin deficiency (Savage et al., 1994)