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Mehkri et al. have presented a thorough review of calcitonin-gene related peptide (CGRP) and its relationship with headaches, both primary (e.g., migraine headaches) and secondary headaches (e.g., headaches secondary to subarachnoid hemorrhage (SAH) and traumatic brain injury (TBI)) [1].
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Johansen et al. (2022) studied this question.
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