AU - WEISS L TI - PItyriasis rosea.an erythematous eruption of internal origin. PT - JOUR DP - 1903 TA - Journal of the American Medical Association pages = {20-28}, VI - XLI IP - 1 AID - 10.1001/jama.1903.04470030024006 [doi] 4100 - http://dx.doi.org/10.1001/jama.1903.04470030024006 SO - Journal of the American Medical Association July 4, 1903 XLI(1):20