Left image: Father Romano Zago, the world's expert on practical cases treated with Aloe Arborescens.
Department of Chemistry, University of South California and Tampa, Florida, USA
Division of Oncology and Hematology, University Génova, Italy and others
Giuseppe Nacci, specializated in Nuclear Medicine, University of Trieste, Italy
A chemical investigation - Department of Biochemistry, Oklahoma Agricultural Experimental Station, Oklahoma State University, Stillwater, Oklahoma.
Cancer Tutor - The future of cancer research, by Webster Kehr, Independent Cancer Research Foundation, Inc. - Lindon, Utah, USA
Aloe Arborescens Mill, by Andrew Hankey (2001) & Alice Notten (2004)
Um Guia sobre o cancro, por Instituto OncoGuia - Brasil
Lipoma no joelho, from Massachusetts General Hospital, Boston, USA
Eric Yarnell, ND, assistant professor in the department of botanical medicine at Bastyr University and past chair of the department of botanical medicine at the Southwest College of Naturopathic Medicine and Health Sciences.