prehistoric life the definitive visual history of life on earth

... trivial source of error); and failures to account for either the non-protein component of human milk or the possible under-utilization of some of the milk’s protein constituents because of their resistance ... A supplementation of breastfeeding Indonesian mothers: effects on the vitamin A status of mother and infant. Journal of Nutrition, 1993, 123:666–675. 81. Olson JA. Some aspects of vitamin A malnutrition. Retina, ... breastfeeding in the period of interest, i.e. beyond the first 4 months of life. Similarly, poor understanding of the determinants of inter- individual variability in the nutrient content of human milk...

Ngày tải lên: 08/03/2014, 22:20

... instance, the further to the left on the continuum, and the more global the concepts (ultimately including quality of life) , the more to the right. Concepts to the right encompass all the domains ... in the execution and analysis of their studies. In part, limitations emerge from the continuing development of the measures themselves; as their refinement continues, more valid and powerful conclusions ... uses of quality -of -life measures in technology assessment from 1975 to 1979. They found 23 published studies on the impact of medical care or technology on the quality of life, and only one was...

Ngày tải lên: 22/03/2014, 10:20

... enough to the North Pole to have the appropriate effect. 89 Michael J. Benton The History of Life A Very Short Introduction 1 The History of Life What do the sites of exceptional preservation tell ... catalyse, 25 The History of Life: A Very Short Introduction The History of Life called the Cryogenian, but more graphically termed ‘Snowball Earth . The concept of Snowball Earth is highly controversial. ... produce a reasonable summary of key dates for the history of the Earth. Holmes suggested that the age of the Earth was between 1,600 and 3,000 million years. In the same year, Rutherford suggested 3,400...

Ngày tải lên: 08/04/2014, 01:14

Ngày tải lên: 18/06/2014, 18:20

... between quality of life data and survival duration. The aim of this review was to examine the literature on the relationship between quality of life data and survival duration since the topic first ... to justify the collection of quality of life information, even if only to assess improved survival as the main outcome in cancer care. They believed that quality of life data may not only be helpful ... factors may con- tribute to the initiation of morbidity, the biology of the disease appears to predominate, overriding the potential influence of life- style and psychosocial variables once the disease...

Ngày tải lên: 18/06/2014, 19:20

... deduction con- cerning the associations we found. Another limitation was the use of self-reports of the seasonal changes in mood and behavior, and of the illumination levels. However, the former ... ill-being. The intensity of seasonal changes in mood and behavior has a negative effect on mental well-being that was second to Table 2: Regression analysis of the determinants of the sum score on the ... (GHQ-12) translation and validation study of the Iranian version. Health Qual Life Outcomes 2003, 1:1-66. 12. Pevalin DJ: Multiple applications of the GHQ-12 in a general population sample: an investigation of...

Ngày tải lên: 18/06/2014, 19:20

Ngày tải lên: 18/06/2014, 19:20

... associated with a variety of extra-articular manifestations that can result in a number of comorbid conditions. Comparison of the prevalence of comorbidity in these conditions remains, therefore, difficult, ... planning of the healthcare services should take these findings into account by maintaining the focus on impairment and physical function, but also focusing on the mental and social consequences of the disease. ... questionnaire to maximise the response rate. The patients were instructed to complete all the questionnaires at home and to return them in a pre- paid envelope. To increase the response rate the nonre- sponders...

Ngày tải lên: 18/06/2014, 19:20

... MMQL- UK (CF). This paper concentrates specifically on the vali- dation of the MMQL-UK (PF) and comparison with the child (CF) version. The Anglicisation and validation of the MMQL-UK (CF) is reported ... out either at the home or at Swan- sea University, depending on the preference of the parent. The newly developed MMQL-UK (PF) was then compared with the shortened and anglicised version of the ... and MMQL-UK (PF). The internal consistency of the MMQL-UK (PF) was excellent, with all components exceeding the accepted criterion of 0.70 (see Table 2) The construct validity of the MMQL-UK (PF)...

Ngày tải lên: 18/06/2014, 22:20

... and others supports use of one SEM (calculated as the standard deviation of the instrument multiplied by the square root of one minus its reliability coefficient) as an approximation of the MCID [16]. ... response mean Authors' contributions HC conceived and designed the study, performed the sta- tistical analysis, and drafted the manuscript. PB contrib- uted to conception and design of the ... focuses on demonstrating the responsiveness of the RSDI, which has yet to be reported. We believe that this is important because the RSDI is useful across a range of rhinologic conditions, is reasonably...

Ngày tải lên: 20/06/2014, 15:20

... Gordon K: Con- struction and validation of a quality of life instrument for young adults. Qual Life Res 2004, 13:747-759. 24. Chen H, Cohen P, Kasen S, Johnson JG: Adolescent Axis I and personality ... observations over time for individu- als. MODEL statement is an equation whose left-side con- tains the name of the dependent variable, in this case HEALTH. The right-hand side contains a list of the ... computing the denominator degrees of freedom for tests of the fixed effects. NOTEST prevents the printing results of type 3 tests of fixed effects. RANDOM statement contains a list of the random...

Ngày tải lên: 20/06/2014, 15:20

... volume of sputum or any combination of these symptoms, of acute onset, and requiring a change in the regular medication of the patient [18]. The study was approved by the Ethics Committee of the Foundation ... though they only show a reduction in MCS-12 in the most advanced phases of the disease. The determinant factors of both components of HRQoL include sex, FEV 1 , use of oxygen therapy and number of ... group comparisons. Bonferroni adjustment was applied for mul- tiple comparisons. To evaluate the correlation among the values of the quantitative data, the Pearson's correlation coefficient...

Ngày tải lên: 20/06/2014, 15:20

Ngày tải lên: 20/06/2014, 15:20

Ngày tải lên: 20/06/2014, 16:20

Ngày tải lên: 20/06/2014, 16:20

Ngày tải lên: 20/06/2014, 16:20

Ngày tải lên: 09/08/2014, 01:21

Ngày tải lên: 11/08/2014, 08:20

Ngày tải lên: 11/08/2014, 23:22