TY - JOUR A1 - Hamamatsu, Y. A1 - Inoue, Y. A1 - Watanabe, C. A1 - Umezaki, M. T1 - Impact of the 2011 earthquake on marriages, births and the secondary sex ratio in Japan Y1 - 2014 DO - 10.1017/S0021932014000017 VL - 46 IS - 6 ER -