Project 2000: all change.
D000328:Adult; D000368:Aged; D002648:Child; D003695:Delivery of Health Care; D005260:Female; D005544:Forecasting; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D011320:Primary Health Care / Q000639:trends*; D012922:Social Change; D013222:State Medicine / Q000639:trends*; D006113:United Kingdom