TY - JOUR A1 - Yi, Zeng A1 - Vaupelly, James W. T1 - Association of late childbearing with healthy longevity among the oldest-old in China Y1 - 2004 DO - 10.1080/0032472032000175437 JF - Population Studies VL - 58 IS - 1 SP - 37 EP - -53 ER -