Ludlam CA , Powderly WG , Bozzette S , Diamante M , Koerper MA , Kulkarni R , Ritchie B , Siegel J , Simmonds P , Stanley S , Tapper ML , von Depka M . Lancet. 2006 Ene 21;367(9506):252-61.
Ludlam CA , Powderly WG , Bozzette S , Diamante M , Koerper MA , Kulkarni R , Ritchie B , Siegel J , Simmonds P , Stanley S , Tapper ML , von Depka M . Lancet. 2006 Ene 21;367(9506):252-61.