Cite

    Enzo Errichetti et al.. “Dermoscopy of nail fold and elbow in the differential diagnosis of early psoriatic arthritis sine psoriasis and early rheumatoid arthritis.” Journal of dermatology, vol. 43, no. 10, 2016, pp. 1217–1220. http://access.bl.uk/ark:/81055/vdc_100037125773.0x000032