What is the WHO step analgesic ladder scale except?

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E6 Medicine Davidson Principles Practice 24e p. 1370-1372
E6 Nursing Vital Signs p. 139-141
E6 Nursing Fundamentals Taylor p. 243-245
Practise the full NORCET 3 - 2022 (Shift-2)
Attempt every question from this paper in a timed mock, then review the full solution for each one.