Figure 1
![Figure 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1477-7827-8-59/MediaObjects/12958_2010_Article_684_Fig1_HTML.jpg)
Monthly values of melatonin and testosterone in ram seminal plasma. Values are shown as mean ± S.E.M. of 4 seminal plasma samples/month.
Monthly values of melatonin and testosterone in ram seminal plasma. Values are shown as mean ± S.E.M. of 4 seminal plasma samples/month.