Zheng, S., Liu, J., Xu, X.-G., Gao, X.-H., & Chen, H.-D. (2014). Primary Syphilis Presenting as Bilateral Nipple-areola Eczematoid Lesions. Acta Dermato-Venereologica, 94(5), 617–618. https://doi.org/10.2340/00015555-1786