原始综述链接: https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD005632.pub4/full#CD005632-abs-0001 摘要及简语概要翻译链接: https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD005632.pub4/full/zh_HANS#CD005632-abs-0003
