1 “... incorporate these protocols into their study designs. Using standard protocols in studies with pediatric...”

2 Subjects: “...Quality of Health Care / standards...”

3 “... to improvements in health. We conducted this evaluation using multi-case study methods that best captured...”

4 Subjects: “...Case-Control Studies...”

5 Subjects: “...Sampling Studies...”

6 “... choices for nutrition studies when response rates and cost are concerns...”

7 “... way that reduces survey costs while maintaining the high scientific standards of NSDUH....”