1. A comparative study of contrast dacryocystogram and nuclear dacryocystogram;Chaudhari, T.K.; Saparoff, G.R.; Dolon, K.D.; Chaudhari, T.K.;Journal of Nuclear Medicine,1974
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3. Dacryocystography II. The pathologic lacrimal apparatus;Demorest, B.H.; Milder, B.;Archives of Ophthalmology,1955
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