Arora, K KSircar, A RGupta, N NLal, B N1969-09-012009-05-311969-09-012009-05-311969-09-01Arora KK, Sircar AR, Gupta NN, Lal BN. Some observations on barium sulphate bronchography. Journal of the Association of Physicians of India. 1969 Sep; 17(9): 517-21http://imsear.searo.who.int/handle/123456789/93943engBarium Sulfate --diagnostic useBronchographyHumansRespiratory Tract Diseases --radiographyTime FactorsSome observations on barium sulphate bronchography.Journal Article