19 citations
,
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.
11 citations
,
May 2011 in “The Journal of Dermatology” A man had two rare autoimmune diseases that might be connected.
23 citations
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April 1993 in “Gastroenterology” A mother and son both had ulcerative colitis and alopecia, suggesting a genetic link in autoimmune disorders and successful treatment with cyclosporine.
7 citations
,
January 2019 in “Australasian Journal of Dermatology” A genetic marker linked to a type of hair loss was found in most patients studied.
7 citations
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June 1976 in “JAMA” Most women with ankylosing spondylitis tested positive for HLA-B27, suggesting it's useful for diagnosis.