$Negative control time window to identify residual confounding in comparative effectiveness study: An example of bisphosphonate use and risk of fracture$

Negative control time window to identify residual confounding in comparative effectiveness study: An example of bisphosphonate use and risk of fracture

Bibliographic Details
Main Authors:	Robinson, D, Ali, M, Delmestri, A, Prieto-Alhambra, D
Format:	Conference item
Published:	Wiley 2018

Negative control time window to identify residual confounding in comparative effectiveness study: An example of bisphosphonate use and risk of fracture

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