Figure 4.

The frequencies of the different categories in the 124 group pairs are presented as percentages. Please note that the Disease and Estrogen type variables were omitted from the statistical analysis because too few studies used diseased animals and other estrogens than 17β-estradiol, respectively.

Ström and Ingberg BMC Neuroscience 2014 15:22   doi:10.1186/1471-2202-15-22
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