van Dorst, van Muijen, Litvinov et al.: "The limited difference between keratin patterns of squamous cell carcinomas and adenocarcinomas is explicable by both cell lineage and state of differentiation of tumour cells." in: Journal of clinical pathology, Vol. 51, Issue 9, pp. 679-84, 1999 (PubMed).
Van Niekerk, Ramaekers, Hanselaar et al.: "Changes in expression of differentiation markers between normal ovarian cells and derived tumors." in: The American journal of pathology, Vol. 142, Issue 1, pp. 157-77, 1993 (PubMed).
Weikel, Wagner, Moll: "Characterization of subcolumnar reserve cells and other epithelia of human uterine cervix. Demonstration of diverse cytokeratin polypeptides in reserve cells." in: Virchows Archiv. B, Cell pathology including molecular pathology, Vol. 54, Issue 2, pp. 98-110, 1988 (PubMed).
van Muijen, Ruiter, Franke et al.: "Cell type heterogeneity of cytokeratin expression in complex epithelia and carcinomas as demonstrated by monoclonal antibodies specific for cytokeratins nos. 4 and 13." in: Experimental cell research, Vol. 162, Issue 1, pp. 97-113, 1986 (PubMed).
van Niekerk, Boerman, Ramaekers et al.: "Marker profile of different phases in the transition of normal human ovarian epithelium to ovarian carcinomas." in: The American journal of pathology, Vol. 138, Issue 2, pp. 455-63, 1991 (PubMed).
Smedts, Ramaekers, Robben et al.: "Changing patterns of keratin expression during progression of cervical intraepithelial neoplasia." in: The American journal of pathology, Vol. 136, Issue 3, pp. 657-68, 1990 (PubMed).
Smedts, Ramaekers, Troyanovsky et al.: "Keratin expression in cervical cancer." in: The American journal of pathology, Vol. 141, Issue 2, pp. 497-511, 1992 (PubMed).
Bauwens, De Groot, Ramaekers et al.: "Expression of intermediate filament proteins in the adult human vestibular labyrinth." in: The Annals of otology, rhinology, and laryngology, Vol. 101, Issue 6, pp. 479-86, 1992 (PubMed).