Keywords: Activacion LT.png es Activación Linfocitos T 2012-11-22 18 44 24 http //www niaid nih gov/publications/immune/the_immune_system pdf Original work of the US Federal Government - public domain Translated by BQmUB2012110 PD-USGov Uploaded with UploadWizard Diagrams in Spanish Lymphocyte activation |