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Structure-activity relationship for peptidic growth hormone secretagogues
Retrieval practice as a means of primary learning: Socrates had the right idea
Aging Cell 7 , 355367 (2008)
Sun Y et al., Clin J Pain 2013 Methylcobalamin for diabetic neuropathy
As you age, your body naturally makes less stomach acid and intrinsic factor
you can think of them as partial segments of longer amino acid chains
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