Annual u. s. health care expenditures far outstrip those of twelve other developed nations. in relationship with expenditures, u. s. health population status ranking on critical indicators in comparison with other developed nations is:

Atherapist at a free university clinic treats elementary school children with behavior problems who are referred by a social service agency. she is also a doctoral candidate who proposes using data she has and will collect about the children for a case-based research project. describe the type of parental permission which is required in this case?