Fig. 4From: Knowledge sharing in global health research – the impact, uptake and cost of open access to scholarly literatureOver- and underrepresentation of citing countries by World Bank Atlas (WBA) country classification (a, low-income countries; b, lower middle-income; c, upper middle-income; d, high-income countries) and access category. Numbers in parentheses represent the number of papers cited by each country category as well as the number of citing WBA category-cited paper combinationBack to article page