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تعداد نتایج: 16834058 فیلتر نتایج به سال:
مراتع حدود نیمی از خشکی های جهان را در بر دارند و پوشش گیاهی آن در نتیجه تأثیر متقابل محیط و موجودات زنده به وجود آمده است و به عنوان یک اکوسیستم طبیعی مدیریت می شوند. علاوه بر مراتع، راه ها در عصر حاضر نیز از اجزا مهم و زیرساخت های اصلی زندگی نوین و توسعه کشورها به شمار می روند. جاده ها ساخته دست بشر هستند و جوامع گیاهی کنار جاده تحت تأثیر ساخت و ساز قرار دارند. پوشش "رودرال" به مجموعه ای از پ...
BACKGROUND The objective was to determine the economic burden, as well as the impact on HRQOL for people with HIV/AIDS in Spain in 2003. METHODS A cross-sectional study of 572 people with HIV were recruited from outpatient clinics in the Canary Islands, Spain. Demographic, health resources utilization, indirect costs and quality of life data were collected through medical records and question...
hub location-allocation problems are currently a subject of keen interest in the research community. however, when this issue is considered in practice, significant difficulties such as traffic, commodity transportation and telecommunication tend to be overlooked. in this paper, a novel robust mathematical model for a p-hub covering problem, which tackles the intrinsic uncertainty of some param...
BACKGROUND Rheumatic diseases (RD) cause physical disability that may lead to early exit from work, generating indirect costs to society. We aimed to measure these costs in a population approaching the statutory retirement age. METHODS The analysis was based on the prevalence of self-reported RD using a bottom-up approach. Health and sociodemographic data were retrieved from the fourth Nation...
This paper is to show clearly the real image of German cost accounting at the beginning of the 20 century. A.Messerschmitt and E.Schmalenbach played important roll in the establishment of German cost accounting. Messerschmitt worked as an engineer and a factory manager (entrepreneur). Messerschmitt expressed almost all cost elements as the percentage of labor costs in order to estimate unit pro...
BACKGROUND Alcohol is associated with adverse health effects causing a considerable economic impact to society. A reliable estimate of this economic impact for Belgium is lacking. This is the aim of the study. METHODS A prevalence-based approach estimating the direct, indirect and intangible costs for the year 2012 was used. Attributional fractions for a series of health effects were derived ...
The aim was to characterize the individual and socio-economic impact of headache in a patient population from The Danish Headache Centre. This was a cross-sectional study using a structured interview, prospective headache diaries and standardized self-administered questionnaires using the ICHD-II criteria. Fifty-five subjects (12 male and 43 female) with a median age of 41 years and a median he...
PURPOSE This paper aims to analyze the household financial burden and poverty impacts of cancer treatment in Vietnam. METHODS Under the "ASEAN CosTs in ONcology" study design, three major specialized cancer hospitals were employed to assemble the Vietnamese data. Factors of socioeconomic, direct, and indirect costs of healthcare were collected prospectively through both individual interviews ...
There are significant costs associated with reproductive inefficiency in pasture-based dairy herds. This study has quantified the economic effect of a number of key variables associated with reproductive inefficiency in a dairy herd and related them to 6-week calving rate for both cows and heifers. These variables include: increased culling costs, the effects of sub optimum calving dates, incre...
SETTING Vellore District, Tamil Nadu, India. OBJECTIVE To measure patient costs associated with diagnosis and the complete treatment of tuberculosis (TB). DESIGN Prospective structured interview of 100 new smear-positive adult patients being treated for TB in Tamil Nadu, India, selected evenly from 10 representative health facilities in the state. Direct (out-of-pocket) and indirect (lost-t...
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