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  • 1985-1989  (2)
  • Adrenalectomy  (1)
  • Salt loading  (1)
  • random regression  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Trend in correlated proportions (1987)
    Springer
    Psychometrika 52 (1987), S. 113-124 
    Details
    ISSN: 1860-0980
    Keywords: random regression ; probit model ; conditional dependence ; repeated classification
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Notes: Abstract A random effects probit model is developed for the case in which the same units are sampled repeatedly at each level of an independent variable. Because the observed proportions may be correlated under these conditions, estimating their trend with respect to the independent variable is no longer a standard problem for probit, logit or loglinear analysis. Using a qualitative analogue of a random regressions model, we employ instead marginal maximum likelihood to estimate the average latent trend line. Likelihood ratio tests of the hypothesis of no trend in the average line, and the hypothesis of no differences in average trend lines between experimental treatments, are proposed. We illustrate the model both with simulated data and with observed data from a clinical experiment in which psychiatric patients on two drug therapies are rated on five occasions for the presence or absence of symptoms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02293959
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of salt loading and salt deprivation on the vasopressin and oxytocin content of the median eminence and the neural lobe in adrenalectomized rats (1986)
    Springer
    Cell & tissue research 246 (1986), S. 413-423 
    Details
    ISSN: 1432-0878
    Keywords: Vasopressin ; Oxytocin ; Neurohypophysis (Median eminence, Neural lobe) ; Adrenalectomy ; Salt loading ; Salt deprivation ; Plasma volume ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary In adrenalectomized rats the influence of salt loading or salt deprivation on the vasopressin and oxytocin content of the median eminence (ME) and the neural lobe (NL) was studied by means of various methods: (1) morphometric and microphotometric analysis of aldehyde fuchsin-stained sections of ME and NL; (2) immunohistochemical demonstration of neurophysin, oxytocin, and vasopressin in the ME and in the NL; (3) radioimmunological measurement of oxytocin and vasopressin in the ME and in the NL. Adrenalectomy in salt-substituted rats raised the vasopressin content of the outer layer of the ME (OLME) but had no influence on the amount of vasopressin in the inner layer of the ME and in the NL. Osmotic stimulation of adrenalectomized rats by hypertonic saline markedly diminished vasopressin and oxytocin in the inner layer of the ME and in the NL but did not, or only slightly reduced vasopressin in the OLME. Withdrawal of salt supplementation in adrenalectomized rats resulted in a decrease of plasma sodium and plasma volume. It did not change the vasopressin or oxytocin content of the inner layer of the ME and of the NL, but it was correlated with a decrease of vasopressin in the OLME. The present findings may suggest that vasopressin in the OLME is involved in salt and/or volume regulation by influencing the hypophysial-adrenal axis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00215904
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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