Chen, W. ., Shiu, C. ., Simoni, J. ., Chuang, P. ., Zhao, H. ., Bao, M. ., & Lu, H. . (1969). Challenges of cross-cultural research: lessons from a U.S.-Asia HIV collaboration. Nursing Outlook, 61(3), 145-52. https://doi.org/10.1016/j.outlook.2012.11.004 (Original work published 1969)

Tang, L. ., Wang, Y. ., Chen, Y. ., Chen, L. ., Zheng, S. ., Bao, M. ., … Li, Y. . The Association between 5HT2A T102C and Behavioral and Psychological Symptoms of Dementia in Alzheimer’s Disease: A Meta-Analysis. BioMed Research International, 2017, 5320135. https://doi.org/10.1155/2017/5320135 (Original work published 2017)