Exploiting Vitamin D Receptor and Its Ligands to Target Squamous Cell Carcinomas of the Head and Neck oleh Laura Koll, Désirée Gül, Manal I. Elnouaem, Hanaa Raslan, Omneya R. Ramadan, Shirley K. Knauer, Sebastian Strieth, Jan Hagemann, Roland H. Stauber, Aya Khamis