TY - JOUR A1 - Zuo, Wenyun A1 - Jiang, Sha A1 - Guo, Zhen A1 - Feldman, Marcus W. A1 - Tuljapurkar, Shripad T1 - Advancing front of old-age human survival Y1 - 2018 DO - 10.1073/pnas.1812337115 VL - 115 IS - 44 ER -