Analysis of the work of independent acute hospitals in England and Wales, 1981.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004739:England; D005260:Female; D006761:Hospitals / Q000706:statistics & numerical data*; D006777:Hospitals, Proprietary / Q000706:statistics & numerical data*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D013514:Surgical Procedures, Operative; D014852:Wales