9 citations
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April 2025 in “Psychoneuroendocrinology” The occipital region is best for measuring cortisol and cortisone, while the posterior vertex is better for OEA, SEA, and PEA.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
September 2019 in “Journal of Investigative Dermatology” People with pattern hair loss have higher polyamine levels in the top of their head compared to the back.
4 citations
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May 2015 in “Indian Journal of Dermatology, Venereology and Leprology” Congenital triangular alopecia can occur outside the typical fronto-temporal region.
2 citations
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September 2020 in “Hair transplant forum international” A new tool makes hair transplant surgeries faster by creating multiple cuts in one go.