(Q40756734)
Statements
1 reference
Regional organization for outcomes research (English)
1 reference
O'Connor GT
1 reference
Plume SK
1 reference
Wennberg JE
1 reference
1 December 1993
1 reference
1 reference
703
1 reference
44-50; discussion 50-1
1 reference
1 reference
1 reference
1 reference
Identifiers
1 reference
1 reference