Changes in diagnostic procedure utilization in Italy, 1980-83.
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D000293:Adolescent; D000328:Adult; D019411:Clinical Laboratory Techniques / Q000706:statistics & numerical data* / Q000639:trends; D005260:Female; D006801:Humans; D007558:Italy; D008297:Male; D008875:Middle Aged; D011859:Radiography / Q000639:trends*