Randomised controlled trials of ursodeoxycholic-acid therapy for primary biliary cirrhosis: a meta-analysis
Goulis, John ; Leandro, Gioacchino ; Burroughs, Andrew K
The Lancet (British edition), 1999-09, Vol.354 (9184), p.1053-1060 [Periódico revisado por pares]London: Elsevier Ltd
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