Urbina, Francisco, and Emilio Sudy. “Diagnosis of Clinical Variants of Pityriasis Rosea and PR-Like Rashes Produced by Drugs or After COVID-19 Infection Vaccination”. Achievements and Challenges of Medicine and Medical Science Vol. 12 (January 18, 2025): 104–188. Accessed July 28, 2026. https://stm.bookpi.org/ACMMS-V12/article/view/17026.