Chronobiol Int. 2019 Nov 4:1-8. doi: 10.1080/07420528.2019.1683857. [Epub ahead of print] Abstract Chromogranin A (CgA), which is a major protein in adrenal chromaffin cells and adrenergic neurons, is a clinically relevant endocrine and neuroendocrine tumor marker including pheochromocytomas, neuroblastomas, and related neurogenic tumors. In this study, we looked at the effect in humans of chronic daily...
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