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On the seasonal distribution of sunspot frequency
Journal of Interdisciplinary Cycle Research, 1980Abstract Using the Zurich sunspot data, the seasonal distribution of all sunspot‐groups and of all new‐formed groups from 1938 to the last solar minimum in 1976 was investigated. It is shown that there exist different distributions for the northern and southern solar hemisphere with maxima in the third and second quarter of the years, respectively, and
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Season of birth distribution of elite tennis players
Journal of Sports Sciences, 2005In many competitive sports, the use of a cut-off date for junior competition has been associated with a skewed birth date distribution in junior and senior players. The International Tennis Federation uses a junior competition year that commences on 1 January.
Susan, Edgar, Peter, O'Donoghue
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Seasonal distribution of borreliae in Ixodes ricinus ticks
Zentralblatt für Bakteriologie, 1994Ixodes ricinus ticks were collected by flagging vegetation of a mixed oak forest in South Moravia (Czech Republic) at regular two-month intervals from March 1991 to March 1992 and examined for borreliae by darkfield microscopy. Mean annual proportions of infected ticks were 17.2% (15.4% to 21.2% monthly) in females (F), 18.6% (11.8% to 25.9%) in males (
Z, Hubálek +3 more
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The possible effect of seasonal mood changes on the seasonal distribution of myocardial infarction
Medical Hypotheses, 2000The incidence of acute myocardial infarction is increased in the winter months. Seasonality of mood and behavior is common throughout the general population. Increased cardiovascular morbidity and mortality in patients with depressive disorders have been well documented.
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Seasonal patterns of distribution and abundance
1986At scales much longer than the generation times of the organisms (weeks to months) it is possible to observe large scale patterns in the distribution of individual species and of biomass in space and time. Physical processes operating at these scales include seasonal thermoclines, persistent fronts, rings and eddies.
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Seasonal and regional distribution of laryngomalacia in paediatric in-patients
The Journal of Laryngology & OtologyAbstractObjectivesThis study investigates the seasonal and regional distribution of paediatric laryngomalacia admissions in the United States, hypothesizing higher admission rates in winter and colder regions due to reduced sunlight exposure affecting vitamin D levels.MethodsWe analyzed data from the 2016 Kids’ Inpatient Database (KID), focusing on ...
Dean G. Kennedy +6 more
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Seasonal Distribution of Births of Boys with Anomalies of the Urethra
Scandinavian Journal of Urology and Nephrology, 1970The seasonal distribution of births was studied in 367 boys with congenital anomalies of the urethra examined at the paediatric department of diagnostic radiology at Karolinska Sjukhuset, Stockholm. Of these children, 221 had urethral valves or valve-like mucosal folds in the posterior part of the urethra, 124 had hypospadias, and 46 had various other ...
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Season distribution of ectopic pregnancy
2013We analysed the records for 464 consecutive patients with histologically documented ectopic pregnancy during a 9-year period in Hong Kong and found a seasonal pattern. There was a statistically significant increase in the likelihood of conceptions during the summer months (June-September) resulting in ectopic pregnancies as compared with the winter ...
Yu, KM, Tang, L, Wong, AYK
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Mapping seasonal changes of street greenery using multi-temporal street-view images
Sustainable Cities and Society, 2023Yuqi Han, Teng Zhong, Anthony Yeh
exaly