Results 261 to 270 of about 801,476 (308)
Some of the next articles are maybe not open access.
1994
Abstract The realisation among econometricians and applied economists that seasonal variation in many economic time series is often larger and less regular than often hitherto acknowledged, has led to an increased interest in seriously modelling seasonality. The relative size of the seasonal variation also means that such modelling is
openaire +2 more sources
Abstract The realisation among econometricians and applied economists that seasonal variation in many economic time series is often larger and less regular than often hitherto acknowledged, has led to an increased interest in seriously modelling seasonality. The relative size of the seasonal variation also means that such modelling is
openaire +2 more sources
Seasonal variation in placental abruption
The Journal of Maternal-Fetal & Neonatal Medicine, 2012To characterize seasonal patterns of placental abruption among Jewish and Bedouin parturients in the Southern part of Israel.A retrospective population-based study comparing all singleton pregnancies of patients with and without placental abruption was conducted. Deliveries occurred between the years 1988 and 2010.
Ronen, Mankita +3 more
openaire +2 more sources
1992
Abstract Seasonal variation in the frequencies of congenital malformations is of interest as it may indicate the potential action of environmental agents such as climate, dietary factors, or infections. Historically, the evident seasonality of congenital cataract (Gregg 1941) led to the demonstration of an infectious aetiology ...
openaire +1 more source
Abstract Seasonal variation in the frequencies of congenital malformations is of interest as it may indicate the potential action of environmental agents such as climate, dietary factors, or infections. Historically, the evident seasonality of congenital cataract (Gregg 1941) led to the demonstration of an infectious aetiology ...
openaire +1 more source
Seasonal Variation in Twin Births
Nature, 1972THE seasonal patterns of single births are well established. Among the birth characteristics noted to be associated with significant changes in seasonal patterns are race, geographic differences1, and birth order2. Early studies on this general topic were reviewed by Huntington3, and other studies by Bailar and Gurian4.
S, Selvin, D T, Janerich
openaire +2 more sources
Seasonal variation in human births
Journal of Biosocial Science, 1990SummaryDuring the first half of this century, the seasonal pattern of births in European countries showed a major peak in the spring and a minor peak in the autumn. In contrast, the pattern in the US was of a minor peak in spring and a major peak in autumn. Over the last 20 years, the pattern in England and Wales has changed to resemble the US pattern,
openaire +2 more sources
Seasonal Variations in Color Preference
Cognitive Science, 2016AbstractWe investigated how color preferences vary according to season and whether those changes could be explained by the ecological valence theory (EVT). To do so, we assessed the same participants’ preferences for the same colors during fall, winter, spring, and summer in the northeastern United States, where there are large seasonal changes in ...
Karen B, Schloss +4 more
openaire +2 more sources
Seasonal Variation of Orofacial Clefts
Journal of Craniofacial Surgery, 2018Background: Orofacial clefts represent the most common craniofacial malformation diagnosed at birth and may be divided into isolated cleft lip (CL), cleft lip and palate (CL/P), or isolated cleft palate (CP). The causes of orofacial clefts have long been understood to be multifactorial; however, research into the genetic and ...
Chrysis, Sofianos +2 more
openaire +2 more sources
Seasonal Variation in Suicidal Deaths
British Journal of Psychiatry, 1971It has often been stated that there is a seasonal variation in suicidal deaths, with more occurring in the spring than at other times of the year. The analysis of this phenomenon has, however, remained at a relatively crude level. For example: (1) Recent data (Dublin, 1963) indicate that the pattern is not simple.
openaire +2 more sources
Seasonal Variation in Bipolar Disorder
British Journal of Psychiatry, 1996BackgroundIn patients with bipolar disorder, admissions for manic and depressive episodes frequently display a seasonal pattern. We examined this variation and compared the patterns with the seasonal admission rates for schizophrenia.MethodPatients with bipolar disorder or schizophrenia were identified from the Finnish Hospital Discharge Register of in-
T, Partonen, J, Lönnqvist
openaire +2 more sources
Overview: Seasonal variations in cholesterol
Preventive Medicine, 1981Abstract There is a common belief that strong evidence supports significant seasonal variations in serum cholesterol. An examination of 19 studies from 1965 to 1979 suggests that the evidence for seasonal variation is not compelling and that some of the earlier studies suffered from a serious methodological error of analysis: comparing means with ...
openaire +2 more sources