Results 91 to 100 of about 1,704,046 (402)

Cohort Fertility, Parity Progression, and Family Size in Former Yugoslav Countries

Comparative Population Studies, 2020
Yugoslavia was a union of countries at the crossroads of cultures, rich in diversity, bringing together heterogeneous populations with very different demographic transition pathways, particularly with respect to fertility.
Ivan Čipin, Kryštof Zeman, Petra Međimurec   +2 more
doaj   +1 more source

The influence of the increasing use of assisted reproduction technologies on the recent growth in fertility in Czechia

Scientific Reports, 2023
This study aims to enhance the understanding of how the increasing use of assisted reproductive technologies (ART) has contributed to the increase in the total fertility rate (TFR) and to further delaying childbearing.
Jiřina Kocourková, Anna Šťastná, Boris Burcin   +2 more
doaj   +1 more source

The compadre Plant Matrix Database: an open online repository for plant demography

, 2015
Schedules of survival, growth and reproduction are key life‐history traits. Data on how these traits vary among species and populations are fundamental to our understanding of the ecological conditions that have shaped plant evolution.
R. Salguero‐Gómez, O. Jones, C. R. Archer, Y. Buckley, J. Che-Castaldo, H. Caswell, D. Hodgson, A. Scheuerlein, Dalia A. Conde, E. Brinks, Hendrik Buhr, Claudia Farack, Fränce Gottschalk, Alexander Hartmann, Anne Henning, Gabriel Hoppe, Gesa Römer, Jens Runge, Tara Ruoff, Julia Wille, Stefan Zeh, Raziel J. Davison, Dirk Vieregg, A. Baudisch, R. Altwegg, F. Colchero, M. Dong, H. Kroon, J. Lebreton, C. Metcalf, Maile M. Neel, I. Parker, T. Takada, T. Valverde, L. Antonio Vélez-Espino, G. Wardle, M. Franco, J. Vaupel   +37 more
semanticscholar   +1 more source

Bayesian demography 250 years after Bayes

Population studies, 2016
Bayesian statistics offers an alternative to classical (frequentist) statistics. It is distinguished by its use of probability distributions to describe uncertain quantities, which leads to elegant solutions to many difficult statistical problems ...
J. Bijak, John R. Bryant
semanticscholar   +1 more source

Evaluation of daily residual pancreatic tumor motion for deep‐inspiration breath‐hold radiotherapy

Journal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose Breath‐hold techniques are widely used in radiation therapy to minimize respiratory‐induced tumor or organ‐at‐risk motion. However, residual motion persists, necessitating a reliable daily evaluation method. Methods At our institution, fiducial markers serve as surrogates for target localization in pancreatic cancer treatment.
Weihua Mao, Binbin Wu, Kai Ding, Sarah Han‐Oh, Amol Narang   +4 more
wiley   +1 more source

Scholarly migration within Mexico: analyzing internal migration among researchers using Scopus longitudinal bibliometric data

EPJ Data Science, 2020
The migration of scholars is a major driver of innovation and of diffusion of knowledge. Although large-scale bibliometric data have been used to measure international migration of scholars, our understanding of internal migration among researchers is ...
Andrea Miranda-González, Samin Aref, Tom Theile, Emilio Zagheni   +3 more
doaj   +1 more source

COMADRE: a global data base of animal demography

bioRxiv, 2015
The open-access scientific philosophy has been widely adopted and proven to promote considerable progress in the fields of ecology and evolution. Openaccess global databases now exist on animal migration, the distribution of species, and conservation ...
R. Salguero‐Gómez, R. Salguero‐Gómez, O. Jones, C. R. Archer, Christoph Bein, Hendrik Buhr, Claudia Farack, Alexander Hartmann, Anne Henning, Gabriel Hoppe, Gesa Römer, Tara Ruoff, V. Sommer, Julia Wille, Jakob Voigt, Stefan Zeh, Dirk Vieregg, Y. Buckley, Y. Buckley, J. Che-Castaldo, D. Hodgson, A. Scheuerlein, H. Caswell, H. Caswell, J. Vaupel, J. Vaupel, J. Vaupel   +26 more
semanticscholar   +1 more source

Applications of Perron-Frobenius Theory to Population Dynamics [PDF]

arXiv, 2001
By the use of Perron-Frobenius theory, simple proofs are given of the Fundamental Theorem of Demography and of a theorem of Cushing and Yicang on the net reproductive rate occurring in matrix models of population dynamics. The latter result is further refined with some additional nonnegative matrix theory. When the fertility matrix is scaled by the net
arxiv  

T2‐weighted imaging of rectal cancer using a 3D fast spin echo sequence with and without deep learning reconstruction: A reader study

Journal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose To compare image quality and clinical utility of a T2‐weighted (T2W) 3‐dimensional (3D) fast spin echo (FSE) sequence using deep learning reconstruction (DLR) versus conventional reconstruction for rectal magnetic resonance imaging (MRI).
Dan Nguyen, Sarah Palmquist, Ken‐Pin Hwang, Jingfei Ma, Usama Salem, Jia Sun, Xinzeng Wang, Jong Bum Son, Randy Ernst, Peng Wei, Harmeet Kaur, Nir Stanietzky   +11 more
wiley   +1 more source

Identification of missed viruses by metagenomic sequencing of clinical respiratory samples from Kenya

Scientific Reports, 2022
Pneumonia remains a major cause of mortality and morbidity. Most molecular diagnoses of viruses rely on polymerase chain reaction (PCR) assays that however can fail due to primer mismatch.
My V. T. Phan, Charles N. Agoti, Patrick K. Munywoki, Grieven P. Otieno, Mwanajuma Ngama, Paul Kellam, Matthew Cotten, D. James Nokes   +7 more
doaj   +1 more source