Acupuncture for Frequent Tension-Type Headaches - Medicine by the Numbers - American ...
Aug 1, 2016 - Studies show an NNT of 3 to have at least a 50% reduction of headache frequency compared with routine care. Want to know more?
American Family Physician : Medicine by the Numbers
https://www.aafp.org/afp/2016/0801/od1.html
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