1. Primary postpartum haemorrhage in Tasmania 1982-1986;Allen;Aust NZ J Obstet Gynaecol,1988
2. CDC criteria for anemia in children and childbearing-aged women;Centers for Disease Control (CDC);Morb Mort Weekly Rev,1989
3. Factors associated with postpartum hemorrhage with vaginal birth;Combs;Obstet Gynecol,1991
4. The ‘Grand Multipara’-Is it a problem? A review of 5785 cases.;Fuchs;Int J Gynecol Obstet,1985
5. Postpartum haemorrhage-A continuing problem;Gilbert;Br J Obstet Gynaecol,1987