1. Potentiation of anticoagulant effects of warfarin by phenylbutazone;Aggeler;N Engl J Med,1967
2. Sorption of drugs to intravenous delivery systems;Allwood;Pharm Int,1983
3. Adverse reactions to parenterals;Allwood,1990
4. Drug stability and intravenous administration;Allwood,1994