https://digitalcommons.wcl.american.edu/stu_sjd_abstracts/ 2009-11-13 https://digitalcommons.wcl.american.edu/stu_sjd_abstracts/2/ 2009-11-13 https://digitalcommons.wcl.american.edu/stu_sjd_abstracts/3/ 2009-11-13 https://digitalcommons.wcl.american.edu/stu_sjd_abstracts/4/ 2009-11-13 https://digitalcommons.wcl.american.edu/stu_sjd_abstracts/5/ 2009-10-01 https://digitalcommons.wcl.american.edu/stu_sjd_abstracts/6/ 2009-10-01 https://digitalcommons.wcl.american.edu/stu_sjd_abstracts/7/ 2009-10-01 https://digitalcommons.wcl.american.edu/stu_sjd_abstracts/8/ 2009-10-01 https://digitalcommons.wcl.american.edu/stu_sjd_abstracts/9/ 2014-01-24