TY - JOUR A1 - Zhang, G. A1 - Zhao, Z. T1 - Reexamining China’s fertility puzzle: Data collection and quality over the last two decades Y1 - 2006 DO - 10.1111/j.1728-4457.2006.00119.x JF - Population and Development Review VL - 32 IS - 2 SP - 293 EP - -321 ER -