^Paula Anne Ford-Martin; Tish Davidson, Cell therapy, Laurie J. Fundukian (编), The Gale Encyclopedia of Medicine 2 4th, Gale: 885–887, 2011, ISBN 978-1-4144-8646-8
^Robyn, MP; Newman, AP; Amato, M; Walawander, M; Kothe, C; Nerone, JD; Pomerantz, C; Behravesh, CB; Biggs, HM; Dahlgren, FS; Pieracci, EG; Whitfield, Y; Sider, D; Ozaldin, O; Berger, L; Buck, PA; Downing, M; Blog, D. Q Fever Outbreak Among Travelers to Germany Who Received Live Cell Therapy - United States and Canada, 2014.. MMWR. Morbidity and Mortality Weekly Report. 2 October 2015, 64 (38): 1071–3. PMID 26421460. doi:10.15585/mmwr.mm6438a3.
Gilles Lambert. (1959). Conquest of Age: The Extraordinary Story of Dr. Paul Niehans. Rinehart.
E. Wolff: Vor 50 Jahren: Paul Niehans bringt den Begriff «Zellulartherapie» in die Öffentlichkeit. In: Schweizerische Ärztezeitung / Bulletin des médecins suisses / Bollettino dei medici svizzeri. 2002;83: Nr 32/33, S. 1726f. (Text als pdf-Datei (页面存档备份,存于互联网档案馆))