Authors: John M Anderies; Armando A Rodriguez; Marco A Janssen; Oguzhan Cifdaloz Journal: Proc Natl Acad Sci U S A Date: 2007-09-19 Impact factor: 11.205
Authors: Roni A Neff; Cindy L Parker; Frederick L Kirschenmann; Jennifer Tinch; Robert S Lawrence Journal: Am J Public Health Date: 2011-07-21 Impact factor: 9.308