Experiment in the retrieval of information in general practice. A preliminary report.
D000367:Age Factors; D003365:Costs and Cost Analysis; D004739:England; D005194:Family Practice; D006801:Humans; D007256:Information Systems; D009017:Morbidity; D009026:Mortality; D011676:Punched-Card Systems; D012737:Sex Factors; D012937:Social Mobility