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Very Low Birth Weight Hospital Volume and Mortality – An Instrumental Variables Approach

BACKGROUND: Previous studies of very low birth weight (VLBW) hospital volume effects on inhospital mortality have used standard risk-adjusted models that only account for observable confounders but not for self-selection bias due to unobservable confounders. OBJECTIVE: To assess the effects of hospi...

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Autori principali: Wehby, George L., Ullrich, Fred, Xie, Yang
Natura: Artigo
Lingua:Inglês
Pubblicazione: 2012
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC3388172/
https://ncbi.nlm.nih.gov/pubmed/22437621
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1097/MLR.0b013e31824e32cf
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