1. Component therapy of surgical hemorrhage: red cell concentrates, colloids and crystalloids;Lundsgaard-Hansen;Bibl Haematol,1980
2. Compensatory mechanisms for acute dilutional anaemia;Messmer;Bibl Haematol,1981
3. Estimating allowable hemodilution;Bourke;Anesthesiology,1974
4. Estimating allowable blood loss: corrected for dilution;Gross;Anesthesiology,1983