Oksvold MP, Skarpen E, Lindeman B, Roos N, Huitfeldt HS. Immunocytochemical localization of Shc and activated EGF receptor in early endosomes after EGF stimulation of HeLa cells. J Histochem Cytochem. 2000;48:21-33. (Original DOI: 10.1177/002215540004800103).