Wen-Chin Yang, Srinivas Nammi, Per Bendix Jeppesen e William C. S. Cho4, Complementary and Alternative Medicine for Diabetes (PDF), vol. 2013, Article ID 831068, DOI:10.1155/2013/831068.
«It is estimated that complementary and alternative medicine (CAM) is used by 80% of the world population for primary health care.»