SPIRS, WinSPIRS, and OVID: a question of free-text versus thesaurus retrieval?
Fremer
E
E
Larsson
B
B
D016251:CD-ROM; D016247:Information Storage and Retrieval; D016239:MEDLINE; D015203:Reproducibility of Results; D014481:United States; D018875:Vocabulary, Controlled