Jemec, G.B.E., and H.C. Wulf. “Admission Rates of Atopic Dermatitis and Psoriasis Vulgaris from 1912 to 1994”. European Journal of Pediatric Dermatology, vol. 6, no. 2, Jan. 2018, pp. 97-101, https://ejpd.migration.pkpps03.publicknowledgeproject.org/index.php/journal/article/view/1569.