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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1948 1
1966 1
1976 1
1979 1
1981 1
1990 1
1993 9
1994 75
1995 158
1996 135
1997 170
1998 191
1999 229
2000 239
2001 234
2002 241
2003 264
2004 311
2005 370
2006 401
2007 494
2008 530
2009 516
2010 530
2011 569
2012 625
2013 660
2014 554
2015 613
2016 524
2017 475
2018 416
2019 135
2020 0
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8,412 results
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Page 1
A longitudinal twin study of callous-unemotional traits during childhood.
Henry J, et al. J Abnorm Psychol 2018. PMID 29745702
The aim of this study was to investigate the temporal pattern of genetic and environmental etiology of CU traits across primary school, from school entry (7 years) to middle (9 and 10 years) and late childhood (12 years). Data were collected in a population sample of twins composed of 662 twin pairs (Quebec Newborn Twin Study). CU traits were reported by teachers and analyzed using a biometric latent growth curve model and a Cholesky decomposition model. ...
The aim of this study was to investigate the temporal pattern of genetic and environmental etiology of CU traits across primary schoo …
A twin study of rheumatoid arthritis in the Japanese population.
Terao C, et al. Mod Rheumatol 2016. PMID 26727555
Twin studies reported from European countries estimated heritability of RA as 53-65%. However, no twin studies have been reported from Asian countries. ...RESULTS: Four and one patients with RA over 43 monozygotic (9.3%) and 43 dizygotic twins (2.3%), respectively, had twin siblings with RA. ...
Twin studies reported from European countries estimated heritability of RA as 53-65%. However, no twin studies have been repor
Fetoscopic laser photocoagulation for twin-twin transfusion syndrome.
Sago H, et al. J Obstet Gynaecol Res 2018. PMID 29436080 Free PMC article.
The aim of this study was to review fetoscopic laser photocoagulation (FLP), which ablates placental vascular anastomoses to treat twin-twin transfusion syndrome (TTTS). ...The recent survival rates of both twins and at least one twin are 70% and more than 90%, respectively. However, there is still an 11-14% risk of long-term neurodevelopment impairment. ...
The aim of this study was to review fetoscopic laser photocoagulation (FLP), which ablates placental vascular anastomoses to treat …
[The Wuhan Twin Birth Cohort Study].
Yang SP, et al. Zhonghua Liu Xing Bing Xue Za Zhi 2018. PMID 30293325 Chinese.
Birth cohort with twin families involved could be more effective in exploring the genetic and environmental factors for complex chronic diseases at the very beginning of life. This paper summarizes the objective, content, progress, strengths and potential problems of Wuhan Twin Birth Cohort, with emphasis on the overall design and progress of the study....
Birth cohort with twin families involved could be more effective in exploring the genetic and environmental factors for complex chron …
Mortality, morbidity and 2-years neurodevelopmental prognosis of twin to twin transfusion syndrome after fetoscopic laser therapy: a prospective, 58 patients cohort study.
Korsakissok M, et al. J Gynecol Obstet Hum Reprod 2018. PMID 29698746
OBJECTIVE: To describe the morbidity and mortality and long-term neurodevelopmental outcomes in children born from a Twin-to-Twin Transfusion Syndrome (TTTS) pregnancy treated using laser fetoscopy in Toulouse. ...It was possible to study the neurodevelopmental outcome for 58 children (55.3%), with a corrected age from 24 to 95 months. Five children (8.6%) had severe neurological abnormalities and 17 (29.3%) had moderate neurological abnormalities. ...
OBJECTIVE: To describe the morbidity and mortality and long-term neurodevelopmental outcomes in children born from a Twin-to-Twin
Sleep quality and body mass index: a co-twin study.
Madrid-Valero JJ, et al. J Sleep Res 2017. PMID 28101894 Free article.
The co-twin study design was used to analyse the body mass index-sleep relationship in a sample of 2150 twins. We selected two parallel sub-samples of twins discordant for body mass index (n = 430 pairs), or discordant for sleep quality (n = 316 pairs). ...Nevertheless, when twin pairs were selected on the basis of their discordance for sleep quality, the association between body mass index and sleep quality appeared weaker and lost significance (b = 0.021, P = 0.508). ...
The co-twin study design was used to analyse the body mass index-sleep relationship in a sample of 2150 twins. We selected two …
Incidental brain MRI findings in an autism twin study.
Monterrey JC, et al. Autism Res 2017. PMID 27874265
However, given the causes of IF may include both genetic and environmental factors, a twin study would facilitate comparing brain IF between ASD and NT subjects. ...The prevalence rate of IF observed in this twin study was higher than rates previously reported in singleton studies. Our results suggest the shared environment of twins - perhaps in utero - increases the risk of brain IF. ...
However, given the causes of IF may include both genetic and environmental factors, a twin study would facilitate comparing br …
Chronic low back pain and the risk of depression or anxiety symptoms: insights from a longitudinal twin study.
Fernandez M, et al. Spine J 2017. PMID 28267634
PURPOSE: This study aims to investigate whether chronic low back pain (LBP) increases the risk of depression or anxiety symptoms, after adjusting for shared familial factors. STUDY DESIGN: This is a longitudinal, genetically informative study design from the Murcia Twin Registry in Spain. PATIENT SAMPLE: The patient sample included 1,269 adult twins with a mean age of 53 years. ...
PURPOSE: This study aims to investigate whether chronic low back pain (LBP) increases the risk of depression or anxiety symptoms, aft …
Migraine and risk of stroke: a national population-based twin study.
Lantz M, et al. Brain 2017. PMID 28969391
We aimed to investigate migraine as a risk factor for stroke in a Swedish population-based twin cohort, and whether familial factors contribute to an increased risk. ...Twins were followed longitudinally, by linkage of national registers, from date of interview until date of first stroke, death, or end of study on 31 Dec 2014. ...
We aimed to investigate migraine as a risk factor for stroke in a Swedish population-based twin cohort, and whether familial factors …
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