Who was Wickham and what are his striae?
D002244:Carbon; D004396:Coloring Agents; D003880:Dermatology / Q000266:history; D004817:Epidermis / Q000473:pathology; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008010:Lichen Planus / Q000175:diagnosis* / Q000266:history / Q000473:pathology
D004396:Coloring Agents; C028433:chinese ink; D002244:Carbon