Fig. 4.

Blood film from an African child with G6PD deficiency, demonstrating polychromasia (red cells with a slight blue tinge), as well as many other red cell changes including 1) Keratocytes 2) Blister cells 3)Spherocyte 4) Basophilic stippling 5) Hemighost cell. (MGG x20). (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)