CSF3 and chronic myelogenous leukemia, BCR-ABL1 positive: In [89,90] several earlier models of haematopoietic stem stell dynamics and models for the regulation of neutrophils, platelets and erythrocytes were combined to a model of the regulation of the hematopoietic system describing periodic chronic myelogenous leukemia and cyclical neutropenia taking G-CSF effects into account.