Association between age of first spermatorrhea and physical activity or sleeping time in boys
Online published: 2017-03-30
Supported by
Research Special Fund for Public Welfare Industry of Health,201202010
Key words: first spermatorrhea; physical activity; sleeping time
PENG Lin-li , WANG Hong , HE Fang , CHENG Xu-ting , WANG ling-yi , JIANG Jia-jia . Association between age of first spermatorrhea and physical activity or sleeping time in boys[J]. Journal of Shanghai Jiao Tong University (Medical Science), 2017 , 37(3) : 394 . DOI: 10.3969/j.issn.1674-8115.2017.03.023
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