1. Risk factors for high sow mortality in French swine herds;Abiven;Prev. Vet. Med.,1998
2. Seroprevalance of PRRS virus in the United States;Bautista;Swine Health Prod.,1993
3. A prospective study of sow mortality in breeding herds;Chagnon;Can. J. Vet. Res.,1991
4. Causes of mortality among sows in Danish pig herds;Christensen;Vet. Rec.,1995
5. The causes of sow mortality: a retrospective study;D’Allaire;Can. Vet. J.,1991