To produce these animals, researchers inject fertilized mice eggs with foreign genes, and then place them in the uterus of a female mouse.

VOA: special.2009.06.23

What if I collect that blood from patients that are already infected with Hepatitis B, purify the Hepatitis B protein, and inject that back into people?

如果我采集那些乙肝患者的血液,抽提出乙肝病毒的蛋白质,并且将其回注入人体内,将会如何呢

耶鲁公开课 - 生物医学工程探索课程节选

The female mosquito uses its thin sucking tube to break the skin, find blood and inject the victim with a substance that keeps blood flowing.

VOA: special.2009.05.26

Like Kevorkian's previous patients, Youk initially thought he was going to inject himself with lethal doses.

CNN: Kevorkian Case: Video of killing shown to jury

Elan's other approach would be to inject patients with antibodies for beta amyloid made outside the body.

FORBES: Magazine Article

They must therefore inject themselves with insulin at regular intervals or else risk coma or sudden death.

ECONOMIST: The power of negative thinking