The US Fourth Report (2004) recommended that elevated blood pressure (BP) on at least three occasions should be used to define hypertension in children and adolescents. However, there is no sufficient ...

The development of relational concepts and word definition were studied in children 5, 7, 9, and 11, using Piaget-type procedures. The relational concepts were: right-left discrimination; kinship, ...

This is a preview. Log in through your library . Abstract There is no single accepted definition of a "species" in the natural sciences, nor does the Endangered Species Act (ESA) offer one. Instead, ...