milk allergy
... that in the United States, children ages 2–17 with milk allergy are shorter on average than their non-allergic peers?
... that in the United States, children ages 2–17 with <b id="mwAww"><a href="./Milk_allergy" id="mwAw0" rel="mw:WikiLink" title="Milk allergy">milk allergy</a></b> are shorter on average than their non-allergic peers?