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Hassink, R. I.; Pasquinelli-Egli, C. E.; Jacomella, V.; Laux-End, R.; Bianchetti, M. G. (1997). Conditions currently associated with erythema nodosum in Swiss children. European journal of pediatrics, 156(11), pp. 851-853. Springer-Verlag 10.1007/s004310050728
