Concept Negation in Free Text Components of Vaccine Safety Reports. - Herman D. Tolentino; Michael D. Matters; Wikke Walop; Barbara Law; Wesley Tong; Fang Liu 007; Paul A. Fontelo; Katrin Kohl; Daniel C. Payne (AMIA, 2006)

A UMLS-based spell checker for natural language processing in vaccine safety. - Herman D. Tolentino; Michael D. Matters; Wikke Walop; Barbara Law; Wesley Tong; Fang Liu 007; Paul A. Fontelo; Katrin Kohl; Daniel C. Payne (BMC Medical Informatics Decis. Mak., 2007)