Autonomic nervous system and endocrine system response to upper or lower cervical spine mobilization in males with persistent post-concussion symptoms: a proof-of-concept trial. - Farrell, Gerard; Chapple, Cathy; Kennedy, Ewan; Reily-Bell, Matthew; Sampath, Kesava; Gisselman, Angela Spontelli; Cook, Chad; Katare, Rajesh; Tumilty, Steve (Journal of Manual & Manipulative Therapy (Taylor & Francis Ltd), 2024)