Hu Y, Lu S, Song Z, Wang W, Hao P, Li J, et al. (June 2013). "Association between adverse clinical outcome in human disease caused by novel influenza A H7N9 virus and sustained viral shedding and emergence of antiviral resistance". Lancet. 381 (9885): 2273–2279. doi:10.1016/S0140-6736(13)61125-3. PMID23726392. S2CID7537862.
Hu Y, Lu S, Song Z, Wang W, Hao P, Li J, et al. (June 2013). "Association between adverse clinical outcome in human disease caused by novel influenza A H7N9 virus and sustained viral shedding and emergence of antiviral resistance". Lancet. 381 (9885): 2273–2279. doi:10.1016/S0140-6736(13)61125-3. PMID23726392. S2CID7537862.
Hu Y, Lu S, Song Z, Wang W, Hao P, Li J, et al. (June 2013). "Association between adverse clinical outcome in human disease caused by novel influenza A H7N9 virus and sustained viral shedding and emergence of antiviral resistance". Lancet. 381 (9885): 2273–2279. doi:10.1016/S0140-6736(13)61125-3. PMID23726392. S2CID7537862.