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1989 Vol. 5, No. 8

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1989, 5(8): 1-2.
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1989, 5(8): 2-3.
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Studies on strategies of Hepatitis B Vaccination by Cost-Benefit Analysis and Decision Tree
Zhang Shunxiang
1989, 5(8): 4-7.
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With the model of decision tree, we examined the cost and benefit-cost ratios (BCR) of three strategies: vaccinating everyone, screening followed by vaccination anb no vaccination for some age groups of urban and rural people in china. According to the analyses of cost anb threshold, those whose accumulative positive rates of hepatitis B virus markers(HBYM) is lower than 40% should be vaccinated directly without screening and should be screened fcllowed by vaccination if their rates of HBYM is higher than 40% But the results of the benefit analysis were shown that the BCR of vaccination decreased from the old to neonate, so the age groans of the priority for vaccination is the young, especialy newborn when products of the vaccine is shortage currently. The sensitivity of all parameters in the model was also for mulated.
1989, 5(8): 8-8.
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1989, 5(8): 9-11.
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1989, 5(8): 11-11.
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1989, 5(8): 12-12.
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1989, 5(8): 13-14.
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1989, 5(8): 15-17.
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1989, 5(8): 17-18.
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1989, 5(8): 19-20.
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1989, 5(8): 20-20.
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1989, 5(8): 21-22.
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1989, 5(8): 22-22.
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1989, 5(8): 23-24.
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1989, 5(8): 24-24.
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1989, 5(8): 25-26.
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The Colour Television Affecfs on Genetic, Reproductive System and Serum Cholesterol Concertration in the mouses
Jiang Fan, Li Wangping, Fen Jingyi
1989, 5(8): 27-29.
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This article reports that the colour TV radiation affects on genetic, reproductive system and scrum cholesterol concentration in the mouse. After 37 days(3 hours Per day) of colour TV radiation, we couldn't discover any significative change such as the average weight of the female pregaant mouse; the rate of being pregnancy; the average weight of young mouses Per nest; the average weight of the female mouse after the delivery the rate of the micronucleus of PCE of mouse bone marrow the rate of the sperm-head abnormality the serum cholesterol concentration. In these experimental conditions. we could consider tentatively the colour TV radiation haven't got significative a influence on genetic effects and female reproductive system.
1989, 5(8): 29-29.
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1989, 5(8): 30-32.
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1989, 5(8): 32-32.
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1989, 5(8): 33-36.
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1989, 5(8): 36-36.
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1989, 5(8): 37-40.
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1989, 5(8): 40-40.
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1989, 5(8): 41-42.
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1989, 5(8): 43-44.
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1989, 5(8): 44-44.
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1989, 5(8): 45-46.
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1989, 5(8): 46-46.
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1989, 5(8): 47-48.
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1989, 5(8): 48-48.
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1989, 5(8): 49-49.
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