Results 21 to 30 of about 743,972 (230)

Birth order, gestational age, and risk of delivery related perinatal death in twins: retrospective cohort study [PDF]

open access: yes, 2002
Objective: To determine whether twins born second are at increased risk of perinatal death because of complications during labour and delivery. Design: Retrospective cohort study. Setting: Scotland, 1992 and 1997.
Dobbie, R., Pell, J.P., Smith, G.C.
core   +3 more sources

A study of hypertension in twins [PDF]

open access: yesAmerican Heart Journal, 1970
Abstract A study of the blood pressure of 86 pairs of like-sexed twins over age 40 selected at random was performed. Twelve per cent were found to have a diastolic blood pressure in excess of 94 mm. Hg. In 4 out of 5 identical twin sets both members were found to have hypertension of about equal magnitude.
Vander Molen, Ronald   +4 more
openaire   +4 more sources

Twin Studies

open access: yes, 2017
"Synapsis: A Health Humanities Journal" was founded in 2017 by Arden Hegele, a literary scholar, and Rishi Goyal, a physician. Its mission is to develop conversations among diverse people thinking about medical and humanistic ways of knowing . as a “Department Without Walls” that connects scholars and thinkers from different spheres.
Frank M. Spinath, Juliana Gottschling
openaire   +3 more sources

Quality of life, functional impairment and continuous performance task event‐related potentials (ERPs) in young adults with ADHD and autism: A twin study

open access: yesJCPP Advances, 2022
Background Young adulthood is a key developmental period for understanding outcomes of childhood onset attention‐deficit/hyperactivity disorder (ADHD) and autism.
Ümit Aydin   +7 more
doaj   +1 more source

Parapharyngeal Fat Tissue Accumulation and Its Association with Carotid Intima-Media Thickness in Discordant Twin Pairs

open access: yesApplied Sciences, 2023
Background: Recurrent upper airway obstruction during sleep is a common feature of obstructive sleep apnea (OSA). Risk factors for the development of OSA include obesity, male gender and smoking.
Zsofia Jokkel   +9 more
doaj   +1 more source

Tight lower bounds on the number of bicliques in false-twin-free graphs [PDF]

open access: yes, 2016
A \emph{biclique} is a maximal bipartite complete induced subgraph of $G$. Bicliques have been studied in the last years motivated by the large number of applications.
Groshaus, Marina, Montero, Leandro
core   +3 more sources

Heritability of Cardiothoracic Ratio and Aortic Arch Calcification in Twins

open access: yesMedicina, 2021
Background and Objectives: Aortic arch calcification (AoAC) is associated with a variety of cardiovascular complications. The measurement and grading of AoAC using posteroanterior (PA) chest X-rays are well established. The cardiothoracic ratio (CTR) can
Zsofia Jokkel   +8 more
doaj   +1 more source

Lobular Difference in Heritability of Brain Atrophy among Elderly Japanese: A Twin Study

open access: yesMedicina, 2022
Background and Objectives: Brain atrophy is related to cognitive decline. However, the heritability of brain atrophy has not been fully investigated in the Eastern Asian population.
Soichiro Saeki   +7 more
doaj   +1 more source

Phenomenology of The Left-Right Twin Higgs Model [PDF]

open access: yes, 2007
The twin Higgs mechanism has recently been proposed to solve the little hierarchy problem. We study the implementation of the twin Higgs mechanism in left-right models.
G. Abbiendi   +3 more
core   +1 more source

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