Dr Reith came up with the idea for insulin pens, which soon replaced syringes as the way to take the drug. Dr Reith came up with the idea for insulin pens, which soon replaced syringes as the way to take the drug.
Dr Reith came up with the idea for insulin pens, which soon replaced syringes as the way to take the drug. Dr Reith came up with the idea for insulin pens, which soon replaced syringes as the way to take the drug.