Surgical and nonsurgical procedures in short-stay hospitals. United States, 1983.
D000367:Age Factors; D001706:Biopsy / Q000706:statistics & numerical data; D006761:Hospitals / Q000706:statistics & numerical data*; D006801:Humans; D007902:Length of Stay; D012737:Sex Factors; D013514:Surgical Procedures, Operative / Q000706:statistics & numerical data*; D014481:United States