The April issue of Health Services Research features articles on primary care, utilization and costs, wait times and delay, and a special section on global health research that touches on topics ranging from insurance and health reform to health care expenditures. This issue also includes a free article, “The Health Care Cost Implications of Overweight and Obesity during Childhood,” by Nicole Au. Au’s article analyzes publicly funded health care costs through the lens of childhood weight issues and explores the “role of timing and duration of overweight on health costs.” Featured in the April issue are the following AcademyHealth members: A Comparison of Health Care Use for Physician-Referred and Self-Referred Episodes of Outpatient Physical Therapy Janet K. Freburger Surgery Wait Times and Specialty Services for Insured and Uninsured Breast Cancer Patients: Does Hospital Safety Net Status Matter? Cathy J. Bradley and Woolton Lee Delay in Seeing a Doctor Due to Cost: Disparity between Older Adults with and without Disabilities in the United States Jae Chul Lee Methodological Reporting in Qualitative, Quantitative, and Mixed Methods Health Services Research Articles Jennifer P. Wisdom and Carla A. Green Relationship between Patient Safety and Hospital Surgical Volume Tina Hernandez-Boussard Can Claims-Based Data Be Used to Recruit Black and Hispanic Subjects into Clinical Trials? Claudia Uribe Location of Cancer Surgery for Older Veterans with Care Mary Beth Landrum, Barbara J. McNeil, and Nancy Keating Health Expenditure Dynamics and Years of U.S. Residence: Analyzing Spending Disparities among Latinos by Citizenship/Nativity Status Jie Chen Health Care Reform in the Former Soviet Union: Beyond the Transition Martin McKee Costs of Addressing Heroin Addiction in Malaysia and 32 Comparable Countries Worldwide Jennifer Prah Ruger HSR is an official journal of AcademyHealth.