[Use of X-radiation in the combat against tuberculosis].
Up to the 1970's, Finland was a black part of Europe with respect to tuberculosis. In the combat against tuberculosis, fluoroscopic chestexamination was the predominant usage form of X-radiation until the mid-1940's. After this, photofluorography quickly became more common. In all, approximately 51 million miniature radiographs were taken. By the end of the 1970's, taking of full-sized X-ray photographs started to become much more common. As late as in the latter part of the 1980's the decision was made to discontinue photofluorographic screening. By a rough estimation, the X-ray operations brought about a collective radiation dose of approx. 15,000 mansieverts.
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