ArticleThe Appearance of Pili Annulati Following Alopecia AreataAuthor:McDonald CJPublish date: March 1, 2012 Pili annulati is a rare autosomal-dominant hair shaft abnormality. It is characterized by alternating light and dark bands along the shaft due to ...Read More
ArticlePhRMA and the Dermatologist [editorial]Author:McDonald CJPublish date: February 1, 2003 No abstract available. Read More