Evaluation of biologic effects of an Ilex paraguariensis aqueous extract on the labeling of blood constituents with technetium-99m and on the morphology of red blood cells

1 Department of Biophysics and Biometry, Institute of Biology Roberto Alcantara Gomes, State University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil. 2 Instituto National Cancer, Rio de Janeiro, RJ, Brazil. 3 Department of Biophysics and Pharmacology, Biosciences Center, Federal University of Rio Grande do Norte, Natal, RN, Brazil. 4 Centro State University West Zone, Rio de Janeiro, RJ, Brazil.