Comparison of plasma, venous and capillary blood levels of piperaquine in patients with uncomplicated falciparum malaria - Elizabeth A. Ashley; Kasia Stepniewska; Niklas Lindegardh; Anna Annerberg; Joel Tarning; Rose McGready; Lucy Phaiphun; Pratap Singhasivanon; Nicholas J. White; François Nosten (European Journal of Clinical Pharmacology, 2010)