Gaspar, R. H., de los Toyos, J. R., Marcos, C. Á., Riera, J. R., & Sampedro, A. (1999). Quantitative Immunohistochemical Analyses of the Expression of E-Cadherin, Thrombomodulin, CD44H and CD44v6 in Primary Tumours of pharynx/larynx Squamous Cell Carcinoma and their Lymph Node Metastases. Anal Cell Pathol.

Gaspar, Rocío Hernández, Juan R. de los Toyos, César Álvarez Marcos, José Ramón Riera, and Andrés Sampedro. "Quantitative Immunohistochemical Analyses of the Expression of E-Cadherin, Thrombomodulin, CD44H and CD44v6 in Primary Tumours of Pharynx/larynx Squamous Cell Carcinoma and Their Lymph Node Metastases." Anal Cell Pathol 1999.

Gaspar, Rocío Hernández, et al. "Quantitative Immunohistochemical Analyses of the Expression of E-Cadherin, Thrombomodulin, CD44H and CD44v6 in Primary Tumours of Pharynx/larynx Squamous Cell Carcinoma and Their Lymph Node Metastases." Anal Cell Pathol 1999.