scientific article published on 18 October 2013
author: Peter Byass, Amelia Crampin, Basia Zaba, Jim Todd, Tom Lutalo, Kobus Herbst, Denna Michael, Simon Gregson, Clara Calvert
Copyright status information is not available for this work. The copyright status depends on the jurisdiction, the author's date of death and the date the work was created or published.
To learn more about copyright terms in different countries, visit the countries and terms page.