L Malcovati, R La Starza, S Merante, D Pietra, C Mecucci and M Cazzola (2004) “Hypereosinophilic syndrome and cyclic oscillations in blood cell counts. A clonal disorder of hematopoiesis originating in a pluripotent stem cell”, Haematologica. Pavia, Italy, 89(4), pp. 497-499. doi: 10.3324/%x.