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Q35150676-52C6D30E-8A76-42C2-B7FB-34B2F6122224
Q35150676-52C6D30E-8A76-42C2-B7FB-34B2F6122224
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http://www.wikidata.org/entity/statement/Q35150676-52C6D30E-8A76-42C2-B7FB-34B2F6122224
The effect of urban basic medical insurance on health service utilisation in Shaanxi Province, China: a comparison of two schemes.
P2860
Q35150676-52C6D30E-8A76-42C2-B7FB-34B2F6122224
BestRank
Statement
http://www.wikidata.org/entity/statement/Q35150676-52C6D30E-8A76-42C2-B7FB-34B2F6122224
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7aea1d50bdbf5363f7bb04a7d580a7414b21b262
P2860
The central role of the propensity score in observational studies for causal effects