%0 Journal Article %A Schroeder, Kari B. %A McElreath, Richard %A Nettle, Daniel %+ External Organizations %T Variants at serotonin transporter and 2A receptor genes predict cooperative behavior differentially according to presence of punishment : %G eng %U https://hdl.handle.net/11858/00-001M-0000-0028-47F8-C %R 10.1073/pnas.1216841110 %D 2013 %* Review method: peer-reviewed %J Proceedings of the National Academy of Sciences of the United States of America %O Proc. Natl. Acad. Sci. USA %V 110 %N 10 %& 3955 %P 3955 - 3960 %I National Academy of Sciences %C Washington, DC %@ 0027-8424