China Daily. https://covid-19.chinadaily.com.cn/a/202003/17/WS5e702f52a31012821727fa19_1.html
Diakses pada 17 April 2020China News Service. http://www.ecns.cn/cns-wire/2020-03-24/detail-ifzusrwx0575644.shtml
Diakses pada 17 April 2020China News Service. http://www.ecns.cn/news/2020-03-24/detail-ifzusrwx0573938.shtml
Diakses pada 17 April 2020Global Times China. https://www.globaltimes.cn/content/1180045.shtml
Diakses pada 17 April 2020NCBI. https://www.ncbi.nlm.nih.gov/pubmed/29071849
Diakses pada 17 April 2020NCBI. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4058171/#!po=2.38095
Diakses pada 17 April 2020