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One benefit is that having multiple experimental arms in a trial allows the testing of multiple hypotheses

[DOI] [PubMed] [Google Scholar] 26.Khaleghi S, Ju JM, Lamba A, Murray JA

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Liver transplantation for incidental cholangiocarcinoma: analysis of the Canadian experience

ProHealth's FAQ notes that some individuals report noticeable improvements within a few weeks, while for others benefits may take longer