Greenberg, S., El Khoury, J., Kaplan, E., & Silverstein, S. C. (1991). A fluorescence technique to distinguish attached from ingested erythrocytes and zymosan particles in phagocytosing macrophages. Journal of Immunological Methods, 139(1), 115–122. doi:10.1016/0022-1759(91)90358-m
