 September 2021   in “CRC Press eBooks”
           September 2021   in “CRC Press eBooks”    Alopecia areata incognita causes sudden hair thinning, responds well to steroids, and is more common in those with genetic hair loss conditions.  
      10 citations
,
  August 2012   in “Current Problems in Pediatric and Adolescent Health Care”
           10 citations
,
  August 2012   in “Current Problems in Pediatric and Adolescent Health Care”    Hair changes can indicate systemic diseases or medication effects.  
      4 citations
,
  January 2007   in “Australian Veterinary Journal”
           4 citations
,
  January 2007   in “Australian Veterinary Journal”    A horse's sudden hair loss was caused by an allergic reaction to a coat conditioning powder.  
      July 2023   in “Journal of Clinical Medicine”
           July 2023   in “Journal of Clinical Medicine”    The document concludes that understanding hair follicle histology and the hair cycle is crucial for diagnosing alopecia.  
      2 citations
,
  June 1980   in “International Journal of Dermatology”
           2 citations
,
  June 1980   in “International Journal of Dermatology”    Scalp biopsies are important for diagnosing hair loss conditions.