Results 21 to 30 of about 21,871,150 (353)

Kings and Heirs: A Characterization of the (2,2)-domination Graphs of Tournaments [PDF]

open access: yes, 2016
In 1980, Maurer coined the phrase king when describing any vertex of a tournament that could reach every other vertex in two or fewer steps. A (2,2)-domination graph of a digraph D, dom2,2(D), has vertex set V(D), the vertices of D, and edge uv whenever ...
Factor, Kim A. S., Langley, Larry J.
core   +2 more sources

Looking Beyond Assumptions to Understand Relationship Dynamics in Bullying

open access: yesFrontiers in Psychology, 2021
To account for the complex relationships and processes that constitute the phenomenon of bullying, it is critical to understand how students and their parents and teachers conceptualize traditional and cyberbullying.
Faye Mishna   +3 more
doaj   +1 more source

Polypropylene nanoplastic exposure leads to lung inflammation through p38-mediated NF-κB pathway due to mitochondrial damage

open access: yesParticle and Fibre Toxicology, 2023
Background Polypropylene (PP) is used in various products such as disposable containers, spoons, and automobile parts. The disposable masks used for COVID-19 prevention mainly comprise PP, and the disposal of such masks is concerning because of the ...
Jong-Hwan Woo   +6 more
doaj   +1 more source

Efficacy of affirmative cognitive behavioural group therapy for sexual and gender minority adolescents and young adults in community settings in Ontario, Canada

open access: yesBMC Psychology, 2021
Objective This study tested the efficacy of AFFIRM, a brief affirmative cognitive-behavioural group intervention tailored to reduce psychosocial distress and improve coping among sexual and gender minority adolescents and young adults (SGMY). Method SGMY
Shelley L. Craig   +8 more
doaj   +1 more source

Atrial natriuretic factor [PDF]

open access: yes, 1987
The discovery of the first well-defined natriuretic hormone, the Atrial Natriuretic Factor (ANF), has prompted research on its impact on volume regulation in health and disease.
A.L. Gerbes   +99 more
core   +1 more source

Primary care teams’ experiences of delivering mental health care during the COVID-19 pandemic: a qualitative study

open access: yesBMC Family Practice, 2021
Background Integrated primary care teams are ideally positioned to support the mental health care needs arising during the COVID-19 pandemic. Understanding how COVID-19 has affected mental health care delivery within primary care settings will be ...
Rachelle Ashcroft   +12 more
doaj   +1 more source

Complete-factors and f-factors

open access: yesDiscrete Mathematics, 2000
Let \(G\) be a graph and \(F\) a spanning subgraph of \(G\) with at least two components and with all components complete. Let \(f\) be an integer-valued function defined on \(V(G)\) with \(\sum_{x \in V(G)} f(x)\) even. If for each component \(C\) of \(F\), \(G - V(C)\) has an \(f\)-factor (that is, a spanning subgraph \(H\) in which \(\deg_H(x) = f(x)
Enomoto, Hikoe, Tokuda, Taro
openaire   +1 more source

Technology-facilitated violence against child welfare workers: A qualitative analysis

open access: yesChild Protection and Practice
Background: Advances in technology have influenced the provision of child welfare services in a variety of ways creating both new opportunities to improve services and new risks, including the risk of technology-facilitated violence (TFV) against workers.
Cheryl Regehr   +5 more
doaj   +1 more source

Lessons from New Orleans: A Stronger Role for Public Defenders in Spurring Indigent Defense Reform [PDF]

open access: yes, 2017
Excessive caseloads prevent public defenders from fulfilling their ethical obligations and curtail criminal defendants’ right to the effective assistance of counsel.
Factor, Ace M.
core   +1 more source

Hepatocyte growth factor, a key tumor-promoting factor in the tumor microenvironment [PDF]

open access: yes, 2017
The tumor microenvironment plays a key role in tumor development and progression. Stromal cells secrete growth factors, cytokines and extracellular matrix proteins which promote growth, survival and metastatic spread of cancer cells.
Galemmo, Robert   +3 more
core   +2 more sources

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