P41 Assessment of publication bias in systematic reviews of health services and delivery research
AA Ayorinde, I Williams, R Mannion, F Song, M Skrybant, RJ Lilford, Y-F Chen
J Epidemiol Community Health Sep 2018, 72 (Suppl 1) A79; DOI: 10.1136/jech-2018-SSMabstracts.167