Schlessinger D, Gray J, Speiser J, Lake E. Ulcerated forehead nodule in an intravenous heroin user. JAAD Case Rep. 2019;5:63-65.
In the article above, answer choices C and D for question 1 were reversed. Poroma should be option C and Picker's nodule should be option D. The correction has been made to the article online.
