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One compound of research interest is the human peptide GHK (glycyl-L-histidyl-L-lysine), a copper-binding peptide known for its diverse biological actions that have been studied in the context of aging-related diseases and conditions
Mouth-to-cecum transit time in patients affected by chronic constipation: effect of glucomannan
Comparative study on major bioactive components in natural, artificial and in-vitro cultured Calculus Bovis
doi:10.3748/wjg.v25.i14.1729 [23] Hsu SP, Chen HH, Wang TY, et al
The basic process remains the same, but concentration choices and handling differ
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