Fig. 5From: Interleukin 4 gene polymorphism (−589C/T) and the risk of asthma: a meta-analysis and met-regression based on 55 studiesMeta-regression plots of the association between IL-4 C589T polymorphism and risk of asthma based on; a Continent (dominant), b Genotyping methods (recessive), c Publication year (Allelic)Back to article page