The article“Thirty-year mystery of birth and fertility in China”,written by Xiaochun Qiao,was originally published electronically on the publisher’s internet portal on 26 June 2024 without open access.With the auth...The article“Thirty-year mystery of birth and fertility in China”,written by Xiaochun Qiao,was originally published electronically on the publisher’s internet portal on 26 June 2024 without open access.With the author(s)’decision to opt for Open Choice the copyright of the article changed on 24 October 2024 to The Author 2024 and the article is forthwith distributed under a Creative Commons Attribution Creative Commons licence CC BY:This license enables reusers to distribute,remix,adapt,and build upon the material in any medium or format,so long as attribution is given to the creator.The license allows for commercial use.展开更多
文摘The article“Thirty-year mystery of birth and fertility in China”,written by Xiaochun Qiao,was originally published electronically on the publisher’s internet portal on 26 June 2024 without open access.With the author(s)’decision to opt for Open Choice the copyright of the article changed on 24 October 2024 to The Author 2024 and the article is forthwith distributed under a Creative Commons Attribution Creative Commons licence CC BY:This license enables reusers to distribute,remix,adapt,and build upon the material in any medium or format,so long as attribution is given to the creator.The license allows for commercial use.
