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We construct a 2-leg ladder model of an Fe-pnictide superconductor and discuss its properties and relationship with the familiar 2-leg cuprate model. Our results suggest that the underlying pairing mechanism for the Fe-pnictide superconductors is similar to that for the cuprates.doi:10.1088/1367-2630/11/8/085007 fatcat:wbfo4o3juvf43c4ruorineil7u