7Ramcharan S,Love EJ,Fick GH et al.The epidemiology of premenstrual symptoms in a population based sample of 2650 urban women:attributable risk and risk factors.Clinic Epidemiology 1992,45:377 ~392
8Fan J K M, Chan F S Y, Chu K M. Surgical Smoke[ J ]. A- sain J Surg, 2009, 32(4):253-257.
9Hensman C, Baty D, Willis R G, et al. Chemical Composi- tion of Smoke Produced by High-Frequency Electrosurgery in a Closed Gaseous Environment. An in Vitro Study [ J ]. Surg Endosc, 1998, 12(8):1017-1019.
10Ball K. Surgical Smoke: Is It Safe to Breathe?[ J ]. Todays Surg Nurse, 1996, 18(5):16-21.