January 1963   in “Stain technology”    Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.  
     
           5 citations
,
  October 2016   in “Anais Brasileiros de Dermatologia”    A man from Brazil had a rare case of leprosy on his scalp, which improved with treatment.  
     
           11 citations
,
  April 2016   in “The American Journal of Dermatopathology”    Special and immunohistochemical stains are not routinely needed for diagnosing hair disorders.  
     
           10 citations
,
  February 2006   in “Archives of dermatology”    A man's chest hair turned white after a shingles infection, possibly due to virus-damaged pigment cells.  
     
           4 citations
,
  June 2014   in “The Journal of Dermatology”    Elkonyxis, a rare nail condition, improved when patients stopped their nail-picking habits.