Asked | Open questions | Answered Points Date Pair Term / Answer given Level Status Gloss 4 Dec 11 '07 eng>ita Major Service Failure errore del servizio principale pro closed ok - Oct 26 '07 eng>ita immortal time periodo in cui non viene registrato l'esito pro closed ok 4 Sep 25 '07 eng>ita duplicate data collection raccolta dati ripetuta due volte pro closed no 3 Sep 25 '07 fra>ita biais errore sistematico pro closed ok Asked | Open questions | Answered