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2. Polymeric biodegradable lipospheres as vaccine delivery systems;Amselem;Polym. Adv. Technol.,1992
3. Lipospheres as a vaccine carrier system: effects of size, charge, and phospholipid composition;Amselem;Vaccine Res.,1992
4. Use of long-acting oxytetracycline against pasteurellosis in lambs;Appleyard;Vet. Res.,1990
5. Lipospheres for controlled delivery of substances;Domb,1993