Competition and Cooperation Relationships of Multi-category Ports Based on the Improved L-V Model

by Lei Zhiyi, Zhu Yifan, Chen Liling
Published 2019-01-01

Increasing risk behaviour can outweigh the benefits of antiretroviral drug treatment on the HIV incidence among men-having-sex-with-men in Amsterdam

by Zhu Yifan, van de Vijver David, Quax Rick, Mei Shan, Sloot P M A
Published 2011-05-01

Public Concern About Monitoring Twitter Users and Their Conversations to Recruit for Clinical Trials: Survey Study

by Reuter, Katja, Zhu, Yifan, Angyan, Praveen, Le, NamQuyen, Merchant, Akil A, Zimmer, Michael
Published 2019-10-01