Isolation of healthy individuals' and rheumatoid arthritis patients' peripheral blood neutrophils by the gelatin and Ficoll-Hypaque methods: comparative efficiency and impact on the neutrophil oxidative metabolism and Fcγ receptor expression - Paoliello-Paschoalato, A. B; Azzolini, Ana Elisa Caleiro Seixas; Cruz, M. F. C; Marchi, L. F; kabeya, L. M; Donadi, Eduardo Antônio; Lucisano-Valim, Yara Maria (Journal of Immunological Methods, 2014)