[1] https://www.newscientist.com/article/dn2979-mystery-of-russian-gas-deepens/?ignored=irrelevant
[2] https://en.wikipedia.org/wiki/Plutonium
[3] https://zh.wikipedia.org/wiki/全身麻醉药
[4] Eger, Edmond I., James B. Eisenkraft, and Richard B. Weiskopf. The pharmacology of inhaled anesthetics. San Francisco (CA), 2002.
[5] https://zh.wikipedia.org/wiki/地氟醚
[6] https://zh.wikipedia.org/wiki/七氟醚
[7] https://pubchem.ncbi.nlm.nih.gov/compound/Fentanyl
[8] http://news.cctv.com/2019/04/06/ARTIA7mmwKxn2TRifKeydo21190406.shtml
[9] 蒲龙.七氟丙烷灭火系统特点及原理探讨[J].石化技术,2019,26(04):318.
[10] 韩东波,徐冬青.倒走运动的生物力学特性的研究进展[J].中国康复医学杂志,2011,26(10):990-993.
[11] Grasso R,Bianchi L,Lacquaniti F. Motor patterns for human gait:backward versus forward locomotion[J]. J Neurophysiology, 1998,80(4):1868—1885.
[12] Winter DA,Pluck N,Yang JF. Backward walking: a simple reversal of forward walking?[J].J Mot Behav,1989,21(3):291—305.
[13] 赵焕彬,霍洪峰,张静,等. 老年人健身背向走的足底压力与步态特征[J]. 中国康复医学杂志,2010,25(5):435—438.
[14] https://en.wikipedia.org/wiki/J._Robert_Oppenheimer