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Histidine-rich protein 2 of Plasmodium falciparum isolates from Tumaco and Buenaventura, Colombia, at a concentration of 200 parasites/μL with respect to the initial parasitemia of the patient infections. A poor association was found between the two variables (correlation coefficient = 0.503, 95% confidence interval = 0.09–0.77, P = 0.703). Two samples could not be analyzed by an enzyme-linked immunosorbent assay.
