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Studies have demonstrated its effectiveness in improving skin recovery, wound healing, and even neurological repair in animal models
Castle later labeled the essential substance secreted by a normal stomach as intrinsic factor and the substance present in food as extrinsic factor. Subsequent studies showed that the intrinsic factor serves as an intestinal transport vehicle for the extrinsic factor (later identified as vitamin B12) (139)
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Beedholm-Ebsen, R
Jan 28 2021;doi:10.2174/1389450122999210128180456 Palomo I, Concha-Meyer A, Lutz M, et al
