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index medicus (78) 78
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genetics & heredity (31) 31
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abridged index medicus (5) 5
birth (5) 5
confidence intervals (5) 5
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fundus oculi (5) 5
gene frequency (5) 5
genetics, population (5) 5
molecular sequence data (5) 5
multiple births (5) 5
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polymorphism, genetic (5) 5
risk factors (5) 5
standardization (5) 5
sweden - epidemiology (5) 5
twinning rate (5) 5
alpha-amylases - genetics (4) 4
anthropology (4) 4
cloning, molecular (4) 4
cosmids (4) 4
demographics (4) 4
denmark - epidemiology (4) 4
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genes, recessive (4) 4
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amino acid sequence (3) 3
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Twin Research and Human Genetics, ISSN 1832-4274, 2013, Volume 16, Issue 3, pp. 739 - 742
Numerous papers have investigated the distribution of birth weight. This interest arises from the association between birth weight and the future health... 
Gaussian distribution | Birth weight | Multiple birth
Journal Article
Twin Research and Human Genetics, ISSN 1832-4274, 2014, Volume 17, Issue 3, pp. 206 - 210
Journal Article
Biodemography and Social Biology, ISSN 1948-5565, 11/2011, Volume 57, Issue 2, p. 143
  Attempts have been made to identify factors influencing the number of males per 100 females at birth, also called the secondary sex ratio. It has been... 
Studies | Confidence intervals | Multiple births | Segregation | Mortality | Statistical methods | Trends | Males
Journal Article
Twin Research and Human Genetics, ISSN 1832-4274, 04/2006, Volume 9, Issue 2, pp. 260 - 265
Journal Article
Twin Research and Human Genetics, ISSN 1832-4274, 10/2008, Volume 11, Issue 5, pp. 558 - 566
Journal Article
Twin Research and Human Genetics, ISSN 1832-4274, 10/2005, Volume 8, Issue 5, pp. 515 - 523
Maternal age is the most important nongenetic factor influencing the twinning rate. Every study of the effect of other factors should consider the age... 
Fertility, Human | Mathematical models | Research | Regression analysis | Twins | Statistics | Human genetics | SWEDEN | STANDARDIZATION | MULTIPLE MATERNITIES | GENETICS & HEREDITY | OBSTETRICS & GYNECOLOGY | Reproductive Techniques | Humans | Middle Aged | Pregnancy | Sweden | Maternal Age | Pregnancy, Multiple - statistics & numerical data | Norway | Adolescent | Finland | Denmark | Adult | Female | Index Medicus
Journal Article
Biodemography and Social Biology, ISSN 1948-5565, 01/2009, Volume 55, Issue 1, p. 103
  Monthly numbers of births are influenced by the length of the month and, thus, rates per day should be used. Comparisons of seasonality in data sets of... 
Studies | Holidays & special occasions | Standard deviation
Journal Article
Twin Research and Human Genetics, ISSN 1832-4274, 06/2013, Volume 16, Issue 3, pp. 739 - 742
Numerous papers have investigated the distribution of birth weight. This interest arises from the association between birth weight and the future health... 
twins | normal distribution | singletons | Kolmogorov-Smirnov test | triplets | GENETICS & HEREDITY | OBSTETRICS & GYNECOLOGY | Pregnancy | Birth Weight | Pregnancy, Multiple | Analysis of Variance | Humans | Risk Factors | Finland | Statistics, Nonparametric | Female | Infant, Newborn | Pregnancy Outcome | Index Medicus
Journal Article
Human Biology, ISSN 0018-7143, 04/2008, Volume 80, Issue 2, pp. 124 - 140
Journal Article
International Journal of Circumpolar Health, ISSN 1239-9744, 01/2012, Volume 71, Issue 1, pp. 1 - 5
Journal Article
Twin Research and Human Genetics, ISSN 1832-4274, 10/2004, Volume 7, Issue 5, pp. 387 - 397
We analyze the association between the rates of multiple maternities. Correlation analysis is suitable if there are at least monotonic relationships between... 
Urbanization | Correlation (Statistics) | Research | Twins | Human genetics | Multiple birth
Journal Article
Twin Research and Human Genetics, ISSN 1832-4274, 04/2005, Volume 8, Issue 2, pp. 163 - 172
Journal Article
Twin Research and Human Genetics, ISSN 1832-4274, 02/2010, Volume 13, Issue 1, pp. 101 - 108
Journal Article
Twin Research and Human Genetics, ISSN 1832-4274, 10/2006, Volume 9, Issue 5, pp. 677 - 684
Journal Article
Twin Research and Human Genetics, ISSN 1832-4274, 08/2007, Volume 10, Issue 4, pp. 626 - 632
Journal Article
Twin Research and Human Genetics, ISSN 1832-4274, 08/2006, Volume 9, Issue 4, pp. 591 - 596
Journal Article
Twin Research and Human Genetics, ISSN 1832-4274, 10/2004, Volume 7, Issue 5, pp. 398 - 405
Every statistical model is based on explicitly or implicitly formulated assumptions. In this study we address new techniques of calculation of variances and... 
Regression analysis | Research | Twins | Human genetics
Journal Article
Twin Research and Human Genetics, ISSN 1832-4274, 04/2006, Volume 9, Issue 2, pp. 260 - 265
Journal Article
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