Media type: E-Article Title: Heart rate variability during treatment of breakthrough pain in patients with advanced cancer: a pilot study Contributor: Masel, Eva; Huber, Patrick; Engler, Tobias; Herbert Watzke, Herbert Hans Published: Informa UK Limited, 2016 Published in: Journal of Pain Research, Volume 9 (2016), Seite 1215-1220 Language: English DOI: 10.2147/jpr.s120343 ISSN: 1178-7090 Keywords: Anesthesiology and Pain Medicine Origination: Footnote: Access State: Open Access