(Q41711592)
Statements
1 reference
Methods for evaluating changes in health care policy: the difference-in-differences approach (English)
1 reference
Justin B Dimick
1 reference
Andrew M Ryan
1 reference
1 December 2014
1 reference
1 reference
312
1 reference
22
1 reference
2401-2402
1 reference
Identifiers
1 reference
1 reference