Product Search Search Effective Health Care website Submit search Search Tip: Use double quotes around phrases to rank exact matches higher in the result list. 4 results COVID-19 Resources Developed by AHRQ's Evidence-based Practice Centers Series Overview May 14, 2020 Characteristics of Existing Asthma Self-Management Education Packages Technical Brief April 27, 2020 Impact of Community Health Worker Certification on Workforce and Service Delivery for Asthma and Other Selected Chronic Diseases Technical Brief March 27, 2020 Standardized Library of Asthma Outcome Measures White Paper April 18, 2019