Which ethical principle means 'do no harm' to patients?

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E6 Nursing Fundamentals Potter Perry 12e Part 2 p. 81-83
E6 Pharmacology Nursing Lilley 11e Part 1 p. 75-77
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 13068-13070
Practise the full NIMHANS Nursing Officer - 2021
Attempt every question from this paper in a timed mock, then review the full solution for each one.