Abrevaya, Jason (1 March 2009). "Are There Missing Girls in the United States? Evidence from Birth Data". American Economic Journal: Applied Economics1 (2): 1–34. doi:10.1257/app.1.2.1.
Abrevaya, Jason (1 March 2009). "Are There Missing Girls in the United States? Evidence from Birth Data". American Economic Journal: Applied Economics1 (2): 1–34. doi:10.1257/app.1.2.1.