LIANG Jianping, MAI Jincheng, YANG Jiewen, LIN Jialing, YAO Zhenjiang. Median-age secular trend of first spermatorrhea and menarche among adolescents in Guangzhou city during 1985-2014[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2016, 37(11): 1670-1672. doi: 10.16835/j.cnki.1000-9817.2016.11.022
Citation:
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LIANG Jianping, MAI Jincheng, YANG Jiewen, LIN Jialing, YAO Zhenjiang. Median-age secular trend of first spermatorrhea and menarche among adolescents in Guangzhou city during 1985-2014[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2016, 37(11): 1670-1672. doi: 10.16835/j.cnki.1000-9817.2016.11.022
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LIANG Jianping, MAI Jincheng, YANG Jiewen, LIN Jialing, YAO Zhenjiang. Median-age secular trend of first spermatorrhea and menarche among adolescents in Guangzhou city during 1985-2014[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2016, 37(11): 1670-1672. doi: 10.16835/j.cnki.1000-9817.2016.11.022
Citation:
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LIANG Jianping, MAI Jincheng, YANG Jiewen, LIN Jialing, YAO Zhenjiang. Median-age secular trend of first spermatorrhea and menarche among adolescents in Guangzhou city during 1985-2014[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2016, 37(11): 1670-1672. doi: 10.16835/j.cnki.1000-9817.2016.11.022
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Median-age secular trend of first spermatorrhea and menarche among adolescents in Guangzhou city during 1985-2014