Research Supporting Efficacy of Acupuncture to Treat Headaches and Migraines
Acupuncture for the Prevention of Tension-Type Headache:Cochrane Systematic Review - Intervention Version published: 19 April 2016

Acupuncture in mainstream health care

Is cost effective for chronic non-specific low back pain and migraine.BMJ. 2006 Sep 23; 333(7569): 611–612.