Results 31 to 40 of about 1,917,180 (294)

Reducing exposure to high levels of perfluorinated compounds in drinking water improves reproductive outcomes: evidence from an intervention in Minnesota. [PDF]

open access: yes, 2020
BackgroundPer- and polyfluoroalkyl substances (PFASs) have been detected in drinking water supplies around the world and are the subject of intense regulatory debate.
Auffhammer, Maximilian   +4 more
core   +3 more sources

Demographic development of the countries of Northern Europe: current trends for the Ukrainian experience

open access: yesВісник Харківського національного університету імені В.Н. Каразіна. Серія Геологія. Географія. Екологія
Problem statement. The current demographic parameters of Northern Europe are due to the absence of large human losses in the two world wars, and domestic political and socio-economic stability in the countries.
Ірина Гудзеляк
doaj   +1 more source

Critical case stochastic phylogenetic tree model via the Laplace transform

open access: yes, 2013
Birth-and-death models are now a common mathematical tool to describe branching patterns observed in real-world phylogenetic trees. Liggett and Schinazi (2009) is one such example.
Bartoszek, Krzysztof, Krzeminski, Michal
core   +2 more sources

Deciphering the fluctuations of high frequency birth rates [PDF]

open access: yes, 2018
Here the term "high frequency" refers to daily, weekly or monthly birth data. The fluctuations of daily birth numbers show a succession of spikes and dips which, at least at first sight, looks almost as random as white noise.
Herteliu, Claudiu   +2 more
core   +2 more sources

Development Stages of Children Healthcare in Nalchik District of Terek Region

open access: yesВопросы современной педиатрии
The development of the children healthcare in Nalchik District of Terek Region is associated with the development of obstetric and pediatric care in Russia and particularly with the opening of higher women’s medical courses at Saint Petersburg Medical ...
Valery Yu. Albitskiy, Irina L. Semenova
doaj   +1 more source

Reassessing the Duration of the Second Stage of Labor in Relation to Maternal and Neonatal Morbidity. [PDF]

open access: yes, 2018
OBJECTIVE: To assess the morbidity associated with continuing the second-stage duration of labor, weighing the probability of spontaneous vaginal birth without morbidity compared with birth with serious maternal or neonatal complications.
Allen   +14 more
core   +2 more sources

Survival Outcomes and Complications Among Canadian Children With Retinoblastoma: A Population‐Based Report From CYP‐C

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose Retinoblastoma (RB) is the most common pediatric ocular cancer, yet population‐based data on survival and risk factors remain limited. This study aimed to describe survival in a large national RB cohort and identify predictors of death and complications.
Samuel Sassine   +14 more
wiley   +1 more source

NRASQ61R Expression in Lymphatic Endothelial Cells Causes Enlarged Vessels, Hemorrhagic Chylous Effusions, and High Mortality in a Mouse Model of Kaposiform Lymphangiomatosis

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Kaposiform lymphangiomatosis (KLA) is an aggressive complex lymphatic anomaly. Patients exhibit malformed lymphatic vessels and often develop hemorrhagic effusions and elevated angiopoietin‐2 (Ang‐2) levels. A somatic NRAS p.Q61R (NRASQ61R) mutation has been associated with KLA.
C. Griffin McDaniel   +3 more
wiley   +1 more source

Prevalence and Trajectory of Household Material Hardship Among Children With Advanced Cancer

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background/Objectives Families of children with advanced cancer living in poverty experience inferior outcomes including poor parent mental health and worse child quality of life. Household material hardship (HMH: food, housing, transportation, and/or utility insecurity) is a modifiable poverty exposure—and potential intervention target—that ...
Sarah Wright   +13 more
wiley   +1 more source

Implementation of the K-Nearest Neighbor Algorithm for Birth Rate Prediction

open access: yesJournal of Applied Informatics and Computing
This study aims to predict the monthly birth rate using the K-Nearest Neighbor (KNN) regression algorithm. The dataset consists of historical data from 2010 to 2020, covering six districts and including variables such as total population, number of ...
Akhyar Alhafiz, Rakhmat Kurniawan R.
doaj   +1 more source

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