1. “Potential Health Hazards in the Multiple-Dose Vial,”;Rosenzweig;Hospitals,1964
2. “A Study of Contamination of Multiple Dose Medication Vials,”;Kohan;Hospitals,1962
3. “A Study of Sterility of Multiple Dose Injectables after Repeated Withdrawals,”;Ravnik;American Journal of Hospital Pharmacy,1962
4. “Contamination Hazards in Multiple Dose Containers for Injections,”;Wahlgren;Dansk T Farm,1970
5. “Unit Dose or Traditional System?”;Fowler;Hospitals,1970