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[Efficacy and safety of mini-track, mini-nephroscopy and mini-ultrasonic probe percutaneous nephrolithotomy for the treatment of 1.5-2.5 cm kidney stones]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Wang M, Liu J, Xiong L, Yu L, Hu H, Xu K, Xu T.   +6 more
europepmc   +1 more source

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专利与清洁能源：弥合证据与政策之间的差距

2010
openaire   +1 more source

Addressing the Interface between Patents and Technical Standards in International Trade Discussions (应对国际贸易问题中的专利与技术标准之争)

2009
openaire   +1 more source