Singh, Shweta ATrikha, Anjan2006-03-082009-06-032006-03-082009-06-032006-03-08Singh SA, Trikha A. Noise levels in the operation theatre environment. National Medical Journal of India. 2006 Mar-Apr; 19(2): 112-3http://imsear.searo.who.int/handle/123456789/119630engAnxiety --etiologyEnvironmental MonitoringHeadache --etiologyHealth Facility EnvironmentHumansNoise, Occupational --adverse effectsOccupational Diseases --etiologyOperating Rooms --standardsPsychomotor PerformanceRisk AssessmentStartle ReactionLetter