Tissue-resident macrophages originate from yolk-sac-derived erythro-myeloid progenitors. by Perdiguero, E, Klapproth, K, Schulz, C, Busch, K, Azzoni, E, Crozet, L, Garner, H, Trouillet, C, de Bruijn, M, Geissmann, F, Rodewald, H