Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Temporal trends and recent correlates in sedentary behaviours in Chinese children...
The international significance of research into the sources, behaviour, fate, and effects of
persistent organic pollutants (POPs) is exemplified by the Stockholm Convention for which
the host organisation is the United Nations Environment Programme (UNEP). Following
extensive negotiation, it was adopted on 22 May 2001, entered into force 90 days after the
50th party had ratified it on 17 May 2004, and by late 2008 there were over 180 participants
This book proposes a framework for a national-scale program to monitor changes
in mercury concentrations in the environment following the reduction of atmospheric
mercury emissions. The book is the product of efforts initiated at a workshop held
in Pensacola, Florida, in September 2003, involving more than 30 experts in the
fields of atmospheric mercury transport and deposition, mercury cycling in terrestrial
and aquatic ecosystems, and mercury bioaccumulation in aquatic food webs and
Temporal trends in unsafe abortion have been inconsistent internationally
(figure 2). Between 1995 and 2000, a decline of 5 or more percentage
points took place in the unsafe abortion rate in eastern, middle, and
western Africa, the Caribbean, and Central America. Other developing
areas had no appreciable change in the rate of unsafe abortion.
Unsafe abortions vary substantially by age across regions: adolescents
(15–19 years) account for 25% of all unsafe abortions in Africa, whereas
the percentage in Asia, Latin America, and the Caribbean is much lower
Presence of epigenetic marks enables cells with the same genotype have potential to
display different phenotypes and differentiate into many cell-types with different
functions, and responses to environmental and intercellular signaling. For example,
DNA methylation is essential for the process of imprinting. Imprinted genes are
expressed from only one parental allele. This mono-allelic gene expression is directed
by epigenetic marks established in the mammalian germ line and a single mutation,
either genetic or epigenetic, can cause disease.
Although there is plenty of literature on destination planning and development of facilities (Inskeep,
1991 and 1994; Pearce, 1989; Gunn, 1994; Davidson and Maitland, 1997), there are few textbooks
examining destination marketing (Heath and Wall, 1992; Goodall and Ashworth, 1988) and even
fewer illustrate destinations as an experience-provider for tourists and locals (Ryan, 1997 and 1991a).
This is also reflected in the academic literature published in journals and other scientific publications.
Accurate statistics on cancer occurrence and outcome are essential both for the purposes of
research and for planning and evaluation programmes for cancer control (Parkin, 2006).
Although tumours of thyroid account for only 1% of the overall human cancer burden, they
represent the most common malignancies of the endocrine system and pose a significant
challenge to pathologists, surgeons and endocrinologists. Among epithelial tumors,
carcinomas of follicular cell origin far outnumber those of C-cell origin.
Later elaborations on the mechanisms of repression versus dissociation posited that
they corresponded to various views of the self-one that is vertically organized (such as in the
case of repression) versus one that is horizontally aligned, with areas of incompatibility
separated by dissociation (Mitchell & Black, 1995). Many of Janet’s ideas presented above
received corroboration later from both clinical observations and neurobiological
investigations and have subsequently been incorporated in contemporaneous pathogenetic
models of dissociative disorders.
This book will be of interest to anyone interested in the application of Tissue
Engineering. It offers a wide range of topics, including the use of stem cells and adult
stem cells, their applications and the development of a tailored biomaterial,
highlighting the importance of cell-biomaterial interaction. It offers insights into a wide variety of cells and biomaterials, explaining the groundwork required to open
the avenue to the next generation biotechnology, which is Tissue Engineering.
The information has been organised thematically in possibly simple way. It concerns social
nsurance beneﬁ ts and some of non-insurance beneﬁ ts that are, however, managed by ZUS,
as a public institution servicing the social security system in Poland.
The study also describes the general principles of operation of separate systems, which are
not managed by ZUS: health insurance, family beneﬁ ts, beneﬁ ts in respect of unemployment as
well as the scheme of social insurance of farmers.
The USFS Forest Inventory and Analysis (FIA) program seeks to assess the condition and trend of the
forests of the U.S. FIA recently assumed responsibility for all former Forest Health Monitoring program
(FHM) plot work on a national level, and is currently active in 32 states. Lichen community monitoring
was included in FIA in order to address key assessment issues such as the impact of air pollution on forest
resources, spatial and temporal trends in biodiversity, and the sustainability of timber harvesting.
It was definitely a capital-K Knock, the kind of knock they Foley in for police flicks, with a lot
of ominous reverb that cuts off sharply, whang, whang, whang. The thunder of authority on
two legs. It even penetrated my headphones, shook all the way down to my balls with the
premonition of something awful about to come.
The changes discussed above under the three headings of the agricultural sector, the gender
shift and veterinary education have significant implications for the veterinary business
landscape across the broader veterinary sector, impacting beyond the practice wing of the
profession. As mentioned at the outset of this chapter, to date, robust academic attention has
not been paid to the implications of changes in these areas. Such implications will now be
discussed under the relevant headings below. ...
The dataset contains information on name, date of birth, date of arrival in Germany, sex,
country of origin, first city of residence and a unique code that identified members of the
same family. After sample size calculation the cohort was restricted to a representative
sample of 34,393 Aussiedler who were at least 15 years old when they migrated to
To ascertain vital status of each cohort member until the 31st December 2005 a follow up
procedure was performed: Letters were sent to local registry offices in the cities of
The papers of Long and Merton suggested interest rates and inﬂa-
tion as risk factors, but their models did not fully specify what all the
hedge portfolios should be, or how many there should be. The APT
speciﬁes the factors only in a loose statistical sense. This leaves it up to
empirical research to identify the risk factors or hedge portfolios. Chen
et al. (1986) empirically evaluated several likely economic factors, and
Chen et al. (1987) used these in an evaluation of equity mutual funds.
With international funding, Dr.
Mocumbi has already seen national lead-
ership in pockets of Africa come together
to refine strategies to improve health, and
with local ingenuity, he avers, much more
is possible. For example, an effort to train
non–physicians to deliver care has the
potential, Dr. Mocumbi believes, to help
plug a gaping and deleterious hole in
human resources capacity.
the prevalence of HiV/aiDS among pregnant women
is 0.9% (i.e. low for the region). Whilst 57% and 71%
of women and men respectively have ever heard about
aiDS, knowledge of prevention of transmission through
the use of condoms was very low. there are currently
no national guidelines for Prevention of Mother to child
transmission (PMtct) or Highly active antiretroviral
therapy (Haart). coverage for PMtct is accordingly
very low: only 11 pregnant women living with HiV
received PMtct services in 2007, an estimated
coverage of 1% (11/940 women).
Recent reviews have addressed issues of cigarette smoke
exposure and various facets of reproduction including
delayed time to conception, ovarian effects and premature
menopause, implantation failure, fetal growth restriction
and growth retardation, placental abnormalities, reduced
fecundity, congenital abnormalities, and effects on male
reproduction [32-34]. However, most prior reviews have
not considered smoke's interaction with the oviduct, an
organ vital to reproduction.
Respondents were also asked about the importance of religion for them and about their religious practices.
Results are shown in Table 10 for Buddhists and Moslems. Given the small number of Moslems in the
sample, caution is appropriate when interpreting the results. Clearly religion is very important for a
substantial majority of Cambodian elders. Three fourths of Buddhists and over 90% of Moslems in our
sample indicated that religion was very important for them. This varied very little across gender and
Most of the VOCs probably derived from indoor sources. However, the wall cavity was
an apparent source of acetaldehyde, toluene and xylenes and the belly space was a source of
2-butanone, lower volatility aldehydes and aromatic hydrocarbons. Indoor minus outdoor VOC
concentrations varied with time. Adjusted formaldehyde concentrations exhibited the most
temporal variability with concentrations ranging from 25 µg m-3
to 128 µg m-3
and the lowest
concentrations occurring in winter months when indoor RH was low.