Now showing items 1-10 of 21
Teratogenicity of polybrominated biphenyls in rats
(Elsevier, 1977-08)
The teratogenic potential of a mixture of polybrominated biphenyls (PBB) was investigated. Pregnant Wistar albino rats were given single doses of PBB in seasame oil by gavage on one day of pregnancy, from day 6 through 14 ...
Diagnosis. II. Diagnostic models based on attribute clusters: A proposal and comparisons
(Elsevier, 1975-04)
A new discrimination procedure based on the formation of clusters of dependent attributes, and estimation of the joint probability distribution as the product of the probabilities of the disjoint clusters is proposed and ...
Diagnosis. I. Symptom nonindependence in mathematical models for diagnosis
(Elsevier, 1975-04)
The consequences of the simplifying assumption of independence of symptoms are examined by considering a data base of cardiovascular disease patients. A mathematical model based on Bahadur's expansion (16) is used for ...
SNAP: A computer language for control of psychoacoustic experiments
(Elsevier, 1972-12)
A real-time programming language is described which contains specialized statements for the control of auditory experiments including routine audiometric tests. The program statements correspond closely to prose descriptions ...
Toxicity of polybrominated biphenyls (Firemaster BP-6) in rodents
(Elsevier, 1975-12)
Pregnant rodents were fed concentrations of a mixture of polybrominated biphenyls (Firemaster BP-6) during the pregnancy. The material appears to be weakly teratogenic, causing exencephaly and cleft palate in mice. Decreasing ...
Smokers' self-categorization and the reduction of cognitive dissonance
(Elsevier, 1979)
Sixty per cent of a sample of smokers who smoked between one and two packages of cigarettes per day considered themselves "moderate" smokers, while the remaining 40% considered themselves "heavy" smokers. This study compares ...
A note on system modelling, aggregation and reductionism
(Elsevier, 1971-10)
Zeigler and Weinberg (1970) presented a system theoretic discussion of biological modelling. In this paper some implications of this formulation for the wider problem of reductionism are examined. It is argued that the ...
Toward adaptive (computer-based) hospital care systems that can grow and improve as a function of user participation
(Elsevier, 1979-05)
This paper describes a computer-based system that would allow doctors, patients, nurses, researchers and experts to participate in medical care in ways that will enhance the usefulness of the system, and will allow the ...
Linear machinery for morphological distortion
(Elsevier, 1978-10)
In 1917 D'Arcy Thompson reduced the problem of comparing two homologous shapes to the construction and depiction of a mathematical distortion in the plane. Attempts at algorithms for this computation, found mostly in the ...
Ultra high-speed transaxial image reconstruction of the heart, lungs, and circulation via numerical approximation methods and optimized processor architecture
(Elsevier, 1979-02)
A high temporal resolution scanning multiaxial tomography unit, the Dynamic Spatial Reconstructor (DSR), presently under development will be capable of recording multiangular X-ray projection data of sufficient axial range ...