RT Journal Article SR Electronic T1 Dermoscopy is a useful tool in the diagnosis of nodular secondary syphilis JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e252200 DO 10.1136/bcr-2022-252200 VO 15 IS 11 A1 Felix von Krogh A1 Robert Cipic A1 Brigitte Coras-Stepanek A1 Wilhelm Stolz YR 2022 UL http://casereports.bmj.com/content/15/11/e252200.abstract AB