Gaertner, Katharina; Lüer, Sonja; Frei-Erb, Martin; von Ammon, Klaus (2018). Complementary individual homeopathy in paediatric cancer care: A case series from a University Hospital, Switzerland. Complementary therapies in medicine, 41, pp. 267-270. Elsevier 10.1016/j.ctim.2018.10.010