ASK THE DOCTORS
Hello again, dear readers, and welcome to part two of this month's letters column. Our volume of mail continues to grow — thank you! — so we'll keep abreast of your questions with additional columns as needed.
— We recently discussed lichen planus, which affects the skin and sometimes the mucous membranes, including in the mouth. On the skin, it's a shiny, itchy, flattopped rash, oft…