Final answer:
The subject of this question is medicine, and the phrase 'Do no harm, go knotless' is related to the principle of nonmaleficence in medical practice.
Step-by-step explanation:
The subject of this question is medicine. The phrase 'Do no harm, go knotless' is a message from Neal ElAttrache, MD. In the medical field, the principle of nonmaleficence states that medical professionals should act in ways that do not cause harm to others. This principle is essential in clinical settings, where patients should not be unnecessarily harmed. It also applies to research trials, where efforts are made to limit harm to participants.