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Kikuchi, A.; Naka, W.; Harada, T.; Sakuraoka, K.; Harada, R.; Nishikawa, T. (1993). "Parapsoriasis en plaques: its potential for progression to malignant lymphoma". Journal of the American Academy of Dermatology. 29 (3): 419–422. doi:10.1016/0190-9622(93)70204-7. PMID8394392.