"Shennong" 神农. cultural-china.com. Diarsipkan dari versi asli tanggal 29 January 2011. Diakses tanggal 24 February 2011.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
Shang, A.; Huwiler, K.; Nartey, L.; Jüni, P.; Egger, M. (2007). "Placebo-controlled trials of Chinese herbal medicine and conventional medicine comparative study". International Journal of Epidemiology. 36 (5): 1086–92. doi:10.1093/ije/dym119. PMID17602184.
Siegfried, N. L; Hughes, G (2012). "Herbal medicine, randomised controlled trials and global core competencies". South African Medical Journal. 102 (12): 912–3. doi:10.7196/samj.6392. PMID23498035.
Shang, A.; Huwiler, K.; Nartey, L.; Jüni, P.; Egger, M. (2007). "Placebo-controlled trials of Chinese herbal medicine and conventional medicine comparative study". International Journal of Epidemiology. 36 (5): 1086–92. doi:10.1093/ije/dym119. PMID17602184.
Siegfried, N. L; Hughes, G (2012). "Herbal medicine, randomised controlled trials and global core competencies". South African Medical Journal. 102 (12): 912–3. doi:10.7196/samj.6392. PMID23498035.
"Shennong" 神农. cultural-china.com. Diarsipkan dari versi asli tanggal 29 January 2011. Diakses tanggal 24 February 2011.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)