Authors: Naomi E Levin; Thure E Cerling; Benjamin H Passey; John M Harris; James R Ehleringer Journal: Proc Natl Acad Sci U S A Date: 2006-07-13 Impact factor: 11.205
Authors: Joseph B Williams; Mohammed Shobrak; Thomas M Wilms; Ibrahim A Arif; Haseeb A Khan Journal: Saudi J Biol Sci Date: 2011-12-28 Impact factor: 4.219