}); < br > Liu Guang hurriedly said: "Boss Wu, I know there is a magic doctor in Jinling recently. It is said that the medical skill is extremely superb. In the past, he used to treat big shots in Yan...toxic chemical weapon. < br > after sarin gas invades the human body through the respiratory tract or skin mucosa, it can kill the victim in a very short time, even with a lethal dose of only 10 mg. <...