It will be delivered by hypodermic syringe - but who invented it ... that the earliest confirmed experiments in intravenous injection were undertaken. In experiments with dogs in 1656, Britain's ...

Patient adherence and persistence with injection-based chronic therapy ... with a diameter that is about 1/3 that of a 27 gauge hypodermic needle, which is approximately the diameter of a human ...

PhD student Olivia Howells said the device is a cheaper alternative to hypodermic needles PhD ... could benefit people who are scared of needles and injections. "They do not penetrate as deeply ...