RT Article T1 Violent men have more sons: Further evidence for the generalized Trivers-Willard hypothesis (gTWH) JF Journal of theoretical biology VO 239 IS 4 SP 450 OP 459 A1 Kanazawa, Satoshi LA English YR 2006 UL https://krimdok.uni-tuebingen.de/Record/1912744635 DO 10.1016/j.jtbi.2005.08.010