Wintzer, Zipfel, Schulte-Moenting et al.: "Ki-67 immunostaining in human breast tumors and its relationship to prognosis." in: Cancer, Vol. 67, Issue 2, pp. 421-8, 1991 (PubMed).
Gerdes, Li, Schlueter et al.: "Immunobiochemical and molecular biologic characterization of the cell proliferation-associated nuclear antigen that is defined by monoclonal antibody Ki-67." in: The American journal of pathology, Vol. 138, Issue 4, pp. 867-73, 1991 (PubMed).
Brown, Gatter: "Monoclonal antibody Ki-67: its use in histopathology." in: Histopathology, Vol. 17, Issue 6, pp. 489-503, 1991 (PubMed).
Gerdes: "Ki-67 and other proliferation markers useful for immunohistological diagnostic and prognostic evaluations in human malignancies." in: Seminars in cancer biology, Vol. 1, Issue 3, pp. 199-206, 1991 (PubMed).
Franco, Chiesa, Beloti et al.: "Human osteoblastic cell response to a Ca- and P-enriched titanium surface obtained by anodization." in: Journal of biomedical materials research. Part A, Vol. 88, Issue 4, pp. 841-8, 2009 (PubMed).