Xu W. The “Fragmented” Age: The Cause of “Fragmented” Social Life and the Consequences of it Resulting in the Decrease in Birth Rate in China from 2001 to 2021. BCPEP [Internet]. 2022 Nov. 7 [cited 2026 Apr. 17];7:439-43. Available from: https://bcpublication.org/index.php/EP/article/view/2701