Professor, Department of Obstetrics, Gynecology, and Reproductive Biology, Beth Israel Deaconess Medical Center and Harvard Medical School and Departments of Obstetrics and Gynecology, Medical Informatics and Clinical Epidemiology, Emergency Medicine, School of Medicine, and School of Public Health, Oregon Health and Science University and Portland State University, Portland, Oregon
A survey study of 39 EMS agencies across six states of the United States was carried out. The survey (Appendix A, online) was developed as part of a larger study examining preventable serious adverse...