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While the introduction of substances opaque to the X-ray was begun as early as 1905, it was not until the work of Sicard and Forrestier in 1921 that the practice became general. They used a chemical combination of iodine and poppy-seed soil which is called lipiodol, and this is now in general use in diagnosis and in limited use in therapy. The question as to possible pathological changes in the lungs due to its use has never been wholly satisfactorily worked out experimentally. These investigators have carried out experiments along this line during the last two years. In one group
Introduction of Iodised Oil into Respiratory Tract of Dog.. Ann Intern Med. 1928;2:230–231. doi: https://doi.org/10.7326/0003-4819-2-2-230_3
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Published: Ann Intern Med. 1928;2(2):230-231.
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