Results 321 to 330 of about 231,165 (373)
Some of the next articles are maybe not open access.
Stereolithographic modelling and radiation dosage
British Journal of Oral and Maxillofacial Surgery, 2003Hughe’s paper1 highlights the use of stereolithographic models to facilitate custom-made titanium prosthesis for simple orbital floor reconstructions. In more complex orbital, defects mirror imaging the normal orbit can be helpful in determining the correct shape and volume of the damaged orbit.2 The benefits of these techniques must be weighed against
Christian Duncan +4 more
openaire +3 more sources
Dosage in Radiation Therapy [PDF]
The British Journal of Radiology, 1935 There are two distinct aspects from which the subject of dosage in radiation therapy can be regarded. The first is the physical aspect concerned with the accurate measurement of and statement of dosage. The second is the purely clinical aspect concerned with the determination of the appropriate doses required in actual clinical practice.
openaire +1 more source
Radiation dosage associated with ball lightning [PDF]
Nature, 1974 A BALL lightning event occurred in a house in North Berkshire on May 8, 1970; here we report subsequent investigations using thermoluminescent dating techniques. According to some theories1–4 matter close to the path of such an event may experience a radiation dose of order 1 to 1,000 rad.
S. J. Fleming, M. J. Aitken
openaire +1 more source
Reducing the radiation dosage in patients with a scoliosis
International Orthopaedics, 1989A significant number of girls develop an adolescent idiopathic scoliosis and require repeated full-length radiographs of the spine. Since Nash's publication in 1979 [16], there has been considerable concern expressed about protecting them from excessive radiation, and particularly from the development of radiation-induced breast tumours.
Lescrève, J.P. +2 more
openaire +3 more sources
The British Journal of Radiology, 1949
A clinical unit of radiation dosage (the rec or rontgen equivalent clinical) based on the rontgen under standard treatment conditions, is described. The relative biological effects of specific ion-density, over-all time, and field size are calculated so that equivalent dosage can be obtained under all treatment conditions.
openaire +3 more sources
A clinical unit of radiation dosage (the rec or rontgen equivalent clinical) based on the rontgen under standard treatment conditions, is described. The relative biological effects of specific ion-density, over-all time, and field size are calculated so that equivalent dosage can be obtained under all treatment conditions.
openaire +3 more sources
Radiation Dosage Estimation and Health Risk
JAMA: The Journal of the American Medical Association, 1992To the Editor. —Erroneous conclusions will be drawn from the article of Wing et al, 1 which described evidence of radiation effects in Oak Ridge (Tenn) National Laboratory workers, if the very large biases and uncertainties in relating effects to radiation doses are not recognized.
Robert W. Peelle, Fred C. Maienschein
openaire +3 more sources
Radiation Dosage Planning and Dosage Calculation
Radiology, 1952In radiation therapy it is generally appreciated that tumor effect is dependent on tumor dose, and on the total time during which this dose is administered. For a particular patient and series of treatments, determination of tumor dose requires the following procedures: 1.
openaire +3 more sources
Thermoluminescence, low radiation dosage and black-body radiation [PDF]
Physics in Medicine & Biology, 1967 It is shown that the emission of quanta in the visible region by the heating unit of a thermoluminescence reader is a major source of spurious signal in observations of low radiation dosage. At a heater temperature of 300 degrees C, about 120 photoelectrons per second are emitted from an S11 photomultiplier cathode for a typical reader construction.
openaire +2 more sources
Radiation Dosage to Medical Personnel
American Industrial Hygiene Association Journal, 1960A survey was made to evaluate exposure to those physicians and dentists employing radiation. Many medical personnel other than radiologists employ radiation such as the general practitioner, surgeon, urologist, and the dentist. It is emphasised that among the various specialty groups varied factors of kilovoltage, current filter, technique, etc., will ...
openaire +2 more sources
Radiation Dosage in Tinea Capitis
Archives of Otolaryngology - Head and Neck Surgery, 1977To the Editor .—In his paper on "Radiation-Induced Salivary Gland Tumors," which appeared in the September issue ofArchives(102:561-562, 1976), Dr Smith referred to our study of Israeli children irradiated for tinea capitis. He reported that these children received 1,750 to 2,000 rads to the head, which is not accurate. The children received 350 to 400
openaire +3 more sources