1. The biologic activity of water-soluble polymers;Regelson,1973
2. Bioactive polymeric systems; an overview;Gebelein,1985
3. Laboratory synthesis of polyethylene glycol derivatives;Harris;Rev. Macromol. Chem. Phys.,1985
4. Response of dogs to repeated intravenous injection of polyethylene glycol 4000;Carpenter;Toxicol. Appl. Pharmacol.,1971