author = { Keilholz, Ulrich },

title = { CTLA-4: Negative Regulator of the Immune Response and a Target for Cancer Therapy },

publisher = {Ovid Technologies (Wolters Kluwer Health)},

isbn = {1524-9557},

keywords = { Cancer Research , Pharmacology , Immunology , Immunology and Allergy },

year = {2008},

url = { http://slubdd.de/katalog?TN_libero_mab2 }