a威尼斯是世界上著名的旅游城市 Venice is in the world the famous traveling city [translate] ayou'd better not do vous ne devriez pas faire [translate] aThe meaning of this sentence is probably do not hang in a tree is the best choice 正在翻译,请等待... ...
Results of the selection procedure are given in Fig.1. We screened 1683 references by abstract, of which 985 were excluded. Of these, 74 articles could not be obtained because they were published in journals not listed in PubMed, or in journals not accessible by German libraries, or were w...