Selma Mushkin
... that health economist Selma Mushkin estimated in the early 1970s that up to 50 percent of poor children in Washington, D.C., were affected by lead poisoning?
... that health economist <b id="mwAXw"><a href="./Selma_Mushkin" id="mwAX0" rel="mw:WikiLink" title="Selma Mushkin">Selma Mushkin</a></b> estimated in the early 1970s that up to 50 percent of poor children in Washington, D.C., were affected by <a href="./Lead_poisoning" id="mwAX4" rel="mw:WikiLink" title="Lead poisoning">lead poisoning</a>?