Fig. 1From: Further evaluation of the NWF filter for the purification of Plasmodium vivax-infected erythrocytesEffective removal of white blood cells by the non-woven fabric filter. Shown here are representative thin blood smear before filtration (a) and after filtration (b), as well as representative thick blood smear before filtration (c) and after filtration (d). The arrow in a indicates a white blood cell, while the arrow in b marks a P. vivax-infected red blood cellBack to article page