Báo cáo sinh học: "Seasonal fluctuations of cosmopolitan inversion frequencies in a natural population of Drosophila melanogaster" pot

... 5 inversion frequencies. Original article Seasonal fluctuations of cosmopolitan inversion frequencies in a natural population of Drosophila melanogaster F Sanchez-Refusta* E Santiago J ... in Australasia, North America and Asia. Genetica 58, 213-221 Knibb WR (1986) Temporal variation of Drosophila melanogaster Adh allele frequencies, invers...

Ngày tải lên: 14/08/2014, 20:20

... training, qualifications upgrading, and post gradu- ate training as a way to motivate and retain health care workers. A r eview of 16 countries in east and southern Africafoundthatmostoffertrainingandcareerpath development ... constraints of distance learning programmes for health care workers Distance learning in Tanzania faces many challenges and constraints. Resources are inade...

Ngày tải lên: 18/06/2014, 17:20

... using insecticide- treated bed nets and targeted chemoprophylaxis in a rural area of The Gambia, west Africa. 1. A review of the epidemiology and control of malaria in The Gambia, west Africa. Trans ... the molecular analyses. JS participated in the field work; GM and SEM participated in drafting the manuscript. All authors read and approved the final manuscript. Competing i...

Ngày tải lên: 10/08/2014, 05:21

... problem of finding the line index of a signed graph [8] with additional parity constraints. We further show th at finding the line index of a signed graph can also be reduced to the Graph Bipartization ... enumerating all (s-t) mincuts in a graph in polynomial time, or in FPT, is impossible. We do not enumerate all mincuts. Instead, we exam- ine the structure of all mincut...

Ngày tải lên: 12/08/2014, 17:20

... unavailability of extensive epidemiological data, leading some authors to use an alternative approach based on utilization data. A neat example of this was given by Persaud et al. for ophthalmologists ... noted that only crude data are available so far, and important parameters such as the proportion of immigrants obtaining a licence to practise in order to further their training...

Ngày tải lên: 18/06/2014, 17:20

... presence of size markers within a lane ena- bles a more accurate estimate of fragments in that lane than in other lanes, since there is often at least a slight shift among ... petraea zone. Species identifi- cation was based on several morphological mark- ers as explained by Bacilieri et al (1992). DNA extraction and analysis The method of...

Ngày tải lên: 08/08/2014, 19:21

... that working as a nurse in Uganda was finan- cially satisfying. Ugandan nurses earn less than $100 per month, compared to an average $3000 in the U.S [16]. In a 2004 report, Uganda's nursing ... most important health care workers available in most sub-Saha- ran nations, as they perform a broad range of tasks and are often working in settings where no other health worker...

Ngày tải lên: 18/06/2014, 17:20

... Medical Workforce Characteristics and Policy Update - Australia 2000. 16. Mable A, Marriott J: Steady State. Finding a Sustainable Balance Point International Review of Health Workforce Planning ... feedback loops, and consists of variables for cause and effect, and causal links. A causal link con- nects a cause variable with an effect variable by a link with a positive or nega...

Ngày tải lên: 18/06/2014, 17:20

... experimental design, data inter- pretation and manuscript preparation. DES participated in experimental design, data interpretation and manu- script preparation. All authors read and approved the final manuscript. Acknowledgements We ... with data normalized to 36B4 mRNA and calibrated to the average ΔC T of untreated con- trols. Statistical analysis Data are presented as the means +/- st...

Ngày tải lên: 18/06/2014, 18:20

... nature of the relationship between inflammation and cancer: inflammation can cause cancer; inflammation can cause mutation; muta- tion can cause inflammation; mutation can cause cancer; and cancer ... While inflammation is a classic hallmark of cancer, the outcomes following activation of innate immunity and inflammation in cancer can vary. In some cases inflammation can promote c...

Ngày tải lên: 18/06/2014, 19:20