Figure 1.
Patient-blood smears. (A) case no. 1; (B) case no. 2. (A-B) Blood smears showing the patients' abnormal sickle cells, the transfused normal erythrocytes, and rare normal red cells with Plasmodium falciparum (arrows; Giemsa, original magnification × 1000, using a Plan-Apochromat 63×/1.4 NA oil objective, on an Olympus Provis AX70 microscope [Olympus, Tokyo, Japan]). Images were captured with a Nikon Coolpix 4500 digital camera (Nikon, Tokyo, Japan) and processed with Nikon View 5 Coolpix 5.1.3 (Nikon) and Adobe Photoshop 6.0 (Adobe Systems, San Jose, CA).