Campbell: better evidence for a better world.
D055317:Evidence-Based Practice / Q000266:history*; D014943:Global Health; D049673:History, 20th Century; D006801:Humans; D033181:Information Dissemination / Q000266:history; D033183:Interdisciplinary Communication; D007390:International Agencies / Q000266:history*; D012106:Research / Q000266:history*