1. 1. Insert for ZovirazR Sterile Powder, Revised, 1988 , Burroughs Wellcome Co., Research Triangle Park, NC, 1988 , p.4 .
2. 3. L.A. Trissel (1988 ) ASHP Handbook on Injectable Drugs , 5th edn , American Society of Hospital Pharmacists, Bethesda, MD, p.256 .