For the study, Yang and his co-author, Yang Wang, an assistant professor of public affairs at the University of Wisconsin-Madison, used birth-record data collected by the New Jersey Department of Health for 2014 and 2015
For the study, Yang and his co-author, Yang Wang, an assistant professor of public affairs at the University of Wisconsin-Madison, used birth-record data collected by the New Jersey Department of Health for 2014 and 2015