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Copyright © 1989 by the American Diabetes Association
1989
Eva Sommerfeldt, Rønnaug Øygard, Jorunn Sander, Jak Jervell; Novopen—A Useful Aid Also for Blind Diabetic Patients. Diabetes Care 1 April 1989; 12 (4): 306–307. https://doi.org/10.2337/diacare.12.4.306b
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