منابع مشابه
Incubation-time distribution in back-calculation applied to hiv/aids data in India.
In this article, HIV incidence density is estimated from prevalence data and then used together with reported cases of AIDS to estimate incubation-time distribution. We used the deconvolution technique and the maximum-likelihood method to estimate parameters. The effect of truncation in hazard was also examined. The mean and standard deviation obtained with the Weibull assumption were 12.9 and ...
متن کاملStandardization of incubation time and temperature for eight radioimmunoassays.
We wanted to know if incubation time and temperature for many radioimmunoassay methods could be standardized, to decrease assay time and so improve efficiency. Percentage binding was determined for triiodothyronine, thyroxine, digoxin, digitoxin, testosterone, aldosterone, estradiol, and diphenylhydantoin when the reaction mixtures were incubated at 6-8, 22, or 37 degrees C for various periods ...
متن کاملEffect of incubation time and substrate concentration
Effect of incubation time and substrate concentration on N-uptake rates by phytoplankton in the Bay of Bengal S. Kumar, R. Ramesh, S. Sardesai, and M. S. Sheshshayee Planetary and Geosciences Division, Physical Research Laboratory, Ahmedabad-380 009, India Chemical Oceanography Division, National Institute of Oceanography, Goa-403 004, India Dept. of Crop Physiology, University of Agricultural ...
متن کاملThe distribution of the incubation period for the acquired immunodeficiency syndrome (AIDS).
This paper contains details of methods and full results of estimates of the incubation period of acquired immunodeficiency syndrome (AIDS) that were outlined in a previous paper by Medley et al. (Nature, Lond. 328, 719 (1987)). The original model is modified to assess the influence of age and sex on the incubation period: age, but not sex, is statistically significant. The difficulties associat...
متن کاملEstimation and prediction of the HIV-AIDS-epidemic under conditions of HAART using mixtures of incubation time distributions.
The estimation of the HIV-AIDS epidemic by means of back-calculation (BC) has been difficult since the introduction of highly active anti-retroviral therapy (HAART) because the incubation time distributions needed for BC were poorly known. Moreover, it has been assumed that if the general public is aware that effective treatments are available then the majority of infected people would be known...
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ژورنال
عنوان ژورنال: Nature
سال: 1987
ISSN: 0028-0836,1476-4687
DOI: 10.1038/328582a0