Gupta, S., Mittal, S., Kumar, A., & Singh, K. D. (2011). Respiratory effects of air pollutants among nonsmoking traffic policemen of Patiala, India. Medknow Publications.
Style de citation ChicagoGupta, Sharat, Shallu Mittal, Avnish Kumar, et Kamal D. Singh. Respiratory Effects of Air Pollutants Among Nonsmoking Traffic Policemen of Patiala, India. Medknow Publications, 2011.
Style de citation MLAGupta, Sharat, Shallu Mittal, Avnish Kumar, et Kamal D. Singh. Respiratory Effects of Air Pollutants Among Nonsmoking Traffic Policemen of Patiala, India. Medknow Publications, 2011.
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