Results 1 to 10 of about 6,644,877 (248)
Context The lack of sensitive and robust analytical methods has hindered the reliable quantification of estrogen metabolites in subjects with low concentrations.
Frederiksen H +12 more
europepmc +2 more sources
Establishment of reference levels in dental diagnostics
The initial process for establishing Diagnostic Reference Levels (DRLs) should focus on several key aspects: promoting a culture of safety, training personnel, assigning clear responsibilities, implementing tools and methods for dose assessment, and ensuring adequate regulation and funding by the competent regulatory authority.
U. M. Villarreal
openaire +2 more sources
Comparison of thyroid hormones reference intervals based on thyroid antibody levels: A multicenter study. [PDF]
ObjectivesThis study aimed to determine reference intervals (RI) for thyroid hormones based on thyroid antibody levels using different autoanalyzer kits.MethodsRI for Thyroid-stimulating hormone (TSH), free thyroxine (fT4) and free triiodothyronine (fT3)
Havva Beyter +7 more
doaj +3 more sources
Substantiation of a new approach to the criteria for assessing the radiation dose of patients during computed tomography [PDF]
BACKGROUND: In accordance with the requirements of the IAEA basic safety standards and the International Commission on Radiation Protection, comparing the radiation dose for patients undergoing computed tomography (CT) in diagnostic and treatment clinics
Elena I. Matkevich +2 more
doaj +1 more source
Application of Reference Levels in the Existing Exposure Situations
Optimizing protection against radiation on the reference levels is important to restore the contaminated areas after an accident. Various steps, which are decided based on the contamination status, have to be performed to achieve normality by considering
H. Ogino, N. Hamada, D. Sugiyama
semanticscholar +1 more source
Objective: Placenta is a temporary organ that connects the developing fetus and the mother. However, it cannot protect the embryo against chromium (Cr) and nickel (Ni) exposure.
B. Yüksel, E. Arıca, T. Söylemezoğlu
semanticscholar +1 more source
Gender-Dependent Reference Range of Serum Calcitonin Levels in Healthy Korean Adults [PDF]
Background Serum calcitonin measurement contains various clinical and methodological aspects. Its reference level is wide and unclear despite sensitive calcitonin kits are available.
Eyun Song +8 more
doaj +1 more source
Underwater sound mapping is increasingly being used as a tool for monitoring and managing noise pollution from shipping in the marine environment. Sound maps typically rely on tracking data from the Automated Information System (AIS), but information ...
Alexander O. MacGillivray, C. D. de Jong
semanticscholar +1 more source
Urbanist workshops between theory and practice: The importance of spatial and programme reference levels in the planning method [PDF]
One of the key characteristics of urban-architectural workshops as a soft planning method is above all the fact that the authors are free of burden of formal facts and reference levels of the local environment, which do not influence the concept and the ...
Gregor Čok
doaj +1 more source
Review of regulatory reference values and background levels for heavy metals in the human diet.
The U.S. Food and Drug Administration (US FDA) has identified dietary exposure to heavy metals as a public health concern, focusing particularly on arsenic, cadmium, lead, and mercury.
Candace Wong, S. Roberts, I. N. Saab
semanticscholar +1 more source

