Wu, Nishioka, Fujita et al.: "Expression of cytokeratin 19 in human hepatocellular carcinoma cell lines." in: International journal of oncology, Vol. 20, Issue 1, pp. 31-7, 2001 (PubMed).
Schiller, Franke, Geiger: "A subfamily of relatively large and basic cytokeratin polypeptides as defined by peptide mapping is represented by one or several polypeptides in epithelial cells." in: The EMBO journal, Vol. 1, Issue 6, pp. 761-9, 1984 (PubMed).
Franke, Schiller, Hatzfeld et al.: "Protein complexes of intermediate-sized filaments: melting of cytokeratin complexes in urea reveals different polypeptide separation characteristics." in: Proceedings of the National Academy of Sciences of the United States of America, Vol. 80, Issue 23, pp. 7113-7, 1984 (PubMed).
Hanukoglu, Fuchs: "The cDNA sequence of a Type II cytoskeletal keratin reveals constant and variable structural domains among keratins." in: Cell, Vol. 33, Issue 3, pp. 915-24, 1983 (PubMed).
Moll, Franke, Schiller et al.: "The catalog of human cytokeratins: patterns of expression in normal epithelia, tumors and cultured cells." in: Cell, Vol. 31, Issue 1, pp. 11-24, 1983 (PubMed).
Tseng, Jarvinen, Nelson et al.: "Correlation of specific keratins with different types of epithelial differentiation: monoclonal antibody studies." in: Cell, Vol. 30, Issue 2, pp. 361-72, 1983 (PubMed).
Fuchs, Coppock, Green et al.: "Two distinct classes of keratin genes and their evolutionary significance." in: Cell, Vol. 27, Issue 1 Pt 2, pp. 75-84, 1982 (PubMed).
Bosch, Leube, Achtstätter et al.: "Expression of simple epithelial type cytokeratins in stratified epithelia as detected by immunolocalization and hybridization in situ." in: The Journal of cell biology, Vol. 106, Issue 5, pp. 1635-48, 1988 (PubMed).