6 citations
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November 1977 in “International Journal of Legal Medicine” Human hair contains a substance that shows blood group A activity.
2 citations
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January 2023 in “Dermatology Practical & Conceptual” This study found that patients with alopecia areata had a higher frequency of the AB+ blood group compared to healthy controls.
1 citations
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January 2018 in “Annals of medical research” This study found no significant association between ABO blood groups, Rhesus factor, and ferritin levels in women with telogen effluvium.
1 citations
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September 2023 in “Medicine” In this study, the ABO/Rh blood group distribution in individuals with polycystic ovary syndrome was similar to that of healthy individuals, and there was no link with clinical or biochemical factors of PCOS.
March 2026 in “Dicle Medical Journal / Dicle Tip Dergisi” In this study, researchers reported no significant association between ABO or Rh blood groups and the incidence of hidradenitis suppurativa among patients compared to healthy controls.