资讯
The World Bank, in collaboration with the Africa CDC, the WHO, and other partners, including the United Nations Children's Fund and the International Organization for Migration, convened the meeting ...
13. Salamanca, J.C., Meehan-Atrash, J., Vreeke, S. et al. E-cigarettes can emit formaldehyde at high levels under conditions ...
ADDIS ABABA, May 23 (Xinhua) -- Ethiopia has vaccinated more than 11 million children as part of a nationwide campaign to contain the spread of an ongoing measles outbreak, local media reported.
少精子症是指射出体外的精液中虽然有精子,但精子总数(或精子浓度)低于正常生育力男性精液检查参考值下限。根据《世界卫生组织人类精液检查与处理实验室手册(第5版)》的参考值,禁欲2~7 d,至少2次精液常规分析提示精液中虽然有精子,但1次射精的精子总数<39×106(或精子浓度<15×106/mL),而精液体积、精子活力、精子正常形态率等正常即可诊断为少精子症。
That is what UNICEF is allabout-helping people to help themselves and giving them the aid to develop.Theeffect of the monstrous burden of debt in the developing world has made thepoor even poorer, and ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果