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Q41711592-62E20C07-7257-4F3F-AB37-438F4C579477
Q41711592-62E20C07-7257-4F3F-AB37-438F4C579477
BestRank
Statement
http://www.wikidata.org/entity/statement/Q41711592-62E20C07-7257-4F3F-AB37-438F4C579477
Methods for evaluating changes in health care policy: the difference-in-differences approach.
P577
Q41711592-62E20C07-7257-4F3F-AB37-438F4C579477
BestRank
Statement
http://www.wikidata.org/entity/statement/Q41711592-62E20C07-7257-4F3F-AB37-438F4C579477
rank
NormalRank
type
BestRank
Statement
wasDerivedFrom
3de9c56310bd95e5a094c7ac9b51fad0b426897d
P577
2014-12-01T00:00:00Z
http://www.w3.org/2001/XMLSchema#dateTime
P577
7892956a8c8e8fbb8b843ad18e14a8da