Disease Control and Prevention Ronald Eccles; Olaf Weber, whr. (2009). Commoncold (tol. la Online-Ausg.). Basel: Birkhäuser. ku. 210. ISBN 978-3-7643-9894-1
suggested) (help) Sharp, PM (2011 Sep). "Origins of HIV and the AIDS Pandemic". Cold Spring Harbor perspectives in medicine. 1 (1): a006841. doi:10.1101/cshperspect
suggested) (help) Sharp, PM (2011 Sep). "Origins of HIV and the AIDS Pandemic". Cold Spring Harbor perspectives in medicine. 1 (1): a006841. doi:10.1101/cshperspect