Figure 2 from Overview of insulin delivery pen devices. | Semantic Scholar
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clinidiabet.com > news 2010 > NovoPen Echo: A Child-Friendly Variation of the Insulin Pen
Insulin Pen Injection Devices for Management of Patients with Type 2 Diabetes: Considerations Based on an Endocrinologist's Practical Experience in the United States - Endocrine Practice
Overview of insulin delivery pen devices
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Novopen Echo® for the Delivery of Insulin: A Comparison of Usability, Functionality and Preference among Pediatric Subjects, Th
NovoPen Echo: A Child-Friendly Variation of the Insulin Pen