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Efficacy of sound therapy on tinnitus in idiopathic sudden sensorineural hearing loss: a systematic review and meta-analysis protocol. [PDF]
Ren Q +6 more
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Barriers and facilitators to the implementation and adoption of computerised clinical decision support systems: an overview of reviews. [PDF]
Böhm-Hustede AK +4 more
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Therapeutic vitrectomy for non-infectious uveitis. [PDF]
Sabatino F +4 more
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SSRN Electronic Journal, 2008
Using the restrictions implied by the heteroskedasticity of stock returns, we identify four factors in the U.S. industry returns. The first correlates highly with the market portfolio; the second is a portfolio of stocks that produce investment goods minus stocks that produce consumption goods; the third differentiates between cyclical and noncyclical ...
Igor Makarov, D. Papanikolaou
openaire +2 more sources
Using the restrictions implied by the heteroskedasticity of stock returns, we identify four factors in the U.S. industry returns. The first correlates highly with the market portfolio; the second is a portfolio of stocks that produce investment goods minus stocks that produce consumption goods; the third differentiates between cyclical and noncyclical ...
Igor Makarov, D. Papanikolaou
openaire +2 more sources

