– Harris and Wagnon. The effects of chiropractic adjustment on distal skin temperatures; April 1987; v10 nş2.
…manipulaçăo cervical produziu melhoras significativas nos pacientes que sofriam de dores de pescoço e/ou disfunçăo cervical e dores de cabeça.
– Duke Evidence Report, McCrory, Penzlen, Hasselblad, Gray (2001)