Kolhatkar, V PPatel, M HMahashur, A ARupawate, R UVaidya, P VKamat, S R1987-03-012009-05-311987-03-012009-05-311987-03-01Kolhatkar VP, Patel MH, Mahashur AA, Rupawate RU, Vaidya PV, Kamat SR. Comparative study of respiratory changes in nitric acid plant workers. Journal of the Association of Physicians of India. 1987 Mar; 35(3): 217-9http://imsear.searo.who.int/handle/123456789/91621engAdultAir Pollutants, Occupational --adverse effectsChemical IndustryHumansIndiaLung Diseases, Obstructive --chemically inducedMaleNitrates --adverse effectsNitric AcidRespiratory Function TestsComparative Study