EFFECT OF IONIZING RAYS ON MAN. PART II. EXTENT OF RADIATION DIAGNOSTICS IN SWITZERLAND (in German)
Journal Article
·
· Praxis
OSTI ID:4089864
The number of persons examined radiologically in Switzerland during the year l957 was estimated by a sampling procedure. The data furnished by randomly selected physicians, dentists, hospitals, and other institutions included information about the kind of examination and age and sex of the patients. The per capita gonad dose resulting from diagnostic procedures was calculated on the basis of estimations and measurements made at the radiological institute of the University of Bern. The annual number of examinations per capita of the total population amounted to 0.34 for single fluoroscopies, 0.31 for radiographies, 0.14 for dental x-ray examinations, 0.06 for mass fluoroscopies, and 0.13 for mass miniature chest x-ray examinations. Approximately 0.51 x-ray films were used per person. The estimate of the annual genetically significant dose is 22.3 mr. Persons under 40 years of age receive a gonad dose of 26.6 mr per year and persons beyond this age 49.6 mr. The largest contribution to the gonad dose arises from relatively rare types of examination of the urogenital system and pelvic organs. The number of radiological examinations of the chest is outstanding, but the these examinations account for only 5% of the genetically significant dose. (auth)
- Research Organization:
- Universitat, Bern
- NSA Number:
- NSA-15-010735
- OSTI ID:
- 4089864
- Journal Information:
- Praxis, Journal Name: Praxis Vol. Vol: 49
- Country of Publication:
- Country unknown/Code not available
- Language:
- German
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