The NLM Indexing Initiative's Medical Text Indexer. - Alan R. Aronson; James G. Mork; Clifford W. Gay; Susanne M. Humphrey; Willie J. Rogers (MedInfo, 2004)

Semi-Automatic Indexing of Full Text Biomedical Articles. - Clifford W. Gay; Mehmet Kayaalp 002; Alan R. Aronson (AMIA, 2005)