19 citations
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August 1999 in “European journal of endocrinology” The study concluded that testing hormone levels after stimulation is not reliable for identifying carriers of 21-hydroxylase deficiency; genetic testing is necessary.
January 2022 in “Przegla̧d dermatologiczny” The exact cause of frontal fibrosing alopecia is unknown, but it's not likely due to sunscreen.
148 citations
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December 2018 in “Journal of autoimmunity” Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.
2 citations
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April 2013 in “Expert Review of Endocrinology & Metabolism” Identifying nonclassic congenital adrenal hyperplasia and carriers of CYP21 mutations is challenging, and genetic counseling is recommended due to their prevalence.
35 citations
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June 2011 in “British Journal of Dermatology” The DQB1*03 allele is linked to higher alopecia areata risk in Italians.