Figure 3
The trends in median ages of spermarche (MAS) for boys and median ages of menarche (MAM) for girls aged 9–15 years from 2005 to 2012, Guangzhou, China.
Figure 3 | Scientific Reports
The trends in median ages of spermarche (MAS) for boys and median ages of menarche (MAM) for girls aged 9–15 years from 2005 to 2012, Guangzhou, China.
