Rahman, Atiya, et al. “SECONDARY SYPHILIS MIMICKING PALMOPLANTAR PUSTULAR PSORIASIS: AN UNUSUAL CLINICAL PRESENTATION: Secondary Syphilis Mimicking Palmoplantar Pustular Psoriasis”. Pakistan Armed Forces Medical Journal, vol. 58, no. 2, June 2008, pp. 225-8, https://pafmj.org/PAFMJ/article/view/2058.