Survey documents medical trends.
Lester
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JL
D000328:Adult; D000368:Aged; D005260:Female; D005544:Forecasting; D006801:Humans; D008297:Male; D008329:Managed Care Programs / Q000639:trends*; D008824:Michigan; D008875:Middle Aged; D011216:Practice Management, Medical / Q000639:trends*; D010818:Practice Patterns, Physicians' / Q000639:trends*