Which studies and research does Adam Ringham reference regarding aluminum in vaccines?

Based on the available content, Adam Ringham mentions the U.S. Food and Drug Administration (FDA) in relation to their research and maximum limit of aluminum in food and nutrition products for children. However, he doesn't specify the exact studies or research papers he's referencing. He also mentions a collection of 222 studies linking vaccines and autism, but again, the specific studies aren't listed in the content provided.

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