| 1. | “neoplasm”/exp | 2. | “cancer”:ti, ab, kw OR “tumor”: ti, ab, kw OR “carcinoma”: ti, ab, kw OR “oncological”: ti, ab, kw OR “malignancy”: ti, ab, kw | 3. | #1 OR #2 | 4. | “pain”/exp | 5. | “ache”: ti, ab, kw OR “aches”: ti, ab, kw OR “physical suffering”: ti, ab, kw OR “suffering, physical”: ti, ab, kw | 6. | #4 OR #5 | 7. | “Auricular acupuncture”/exp | 8. | “Acupuncture, auricular”: ti, ab, kw OR “auricular therapy”: ti, ab, kw OR “auricular needle”: ti, ab, kw OR “auricular acupressure”: ti, ab, kw OR “ear acupuncture”: ti, ab, kw OR “ear acupressure”: ti, ab, kw OR “acupuncture ear”: ti, ab, kw OR “otopoint”: ti, ab, kw OR “otoneedle”: ti, ab, kw OR “auriculoacupuncture”: ti, ab, kw OR “auriculotherapy”: ti, ab, kw | 9. | #7 OR #8 | 10. | “Randomized controlled trial”: ti, ab, kw OR “randomized”: ti, ab, kw OR “placebo”: ti, ab, kw | 11. | #3 AND #6 AND #9 AND #10 |
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