title: A comparison of two computer programs for searching the medical literature.
authors.affiliation: University of Texas Medical School, Houston.
authors.forename: F A
authors.initials: FA
authors.lastname: Simon
mesh_terms: D004501:Education, Medical; D005069:Evaluation Studies as Topic; D008523:MEDLARS; D009862:Online Systems; D012984:Software; D014481:United States