January 2020 in “the british journal of cardiology” The birth control pill with only progestogen can cause a false alarm in a hormone test.
December 1991 in “Employment relations today” Hair follicle testing is more reliable and effective for drug screening than urinalysis.
May 2008 in “Hair transplant forum international” A genetic test can identify people at risk of male pattern baldness early, allowing for quicker treatment.
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December 1995 in “The American Journal of Cosmetic Surgery” The O'Connor Tweezer Dexterity Test effectively screens for skilled surgical hair restoration assistants.
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December 2000 in “International Journal of Cosmetic Science” The study created a new method to test drugs that affect hormone processing in skin.