中华医学会消化内镜学分会老年消化内镜协作组。

Geriatric Group, Association of Digestive Endoscopy, Chinese Society of Medicine.

机不可失，时不再来：年轻乳腺癌女性的生育相关知识，决策选择，以及治疗倾向-澳大利亚生育决策辅助协作组研究。

It's now or Never: Fertility-Related Knowledge, Decision-Making Preferences, and Treatment Intentions in Young Women With Breast cancer-an Australian Fertility Decision Aid Collaborative Group Study.

在奥蒂·耶罗于9月23日在欧洲核子研究中心的研讨会上公开其测试的结果之前，OPERA协作组已经花了3年的时间以寻找他们可能想到的每一个错误。

The OPERA collaboration spent three years chasing down every source of error they could imagine before Autiero made the result public in a seminar at CERN on 23 September.