Surgical operations in short-stay hospitals.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005006:Ethnicity; D005260:Female; D005843:Geography; D006742:Hospital Bed Capacity; D006801:Humans; D007223:Infant; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D013514:Surgical Procedures, Operative; D014481:United States