Results 11 to 20 of about 785,061 (339)

Structural response to O*-O' and magnetic transitions in orthorhombic perovskites [PDF]

open access: yes, 2002
We present a temperature dependent single crystal x-ray diffraction study of twinned orthorhombic perovskites La1-xCaxMnO3, for x=0.16 and x=0.25. These data show the evolution of the crystal structure from the ferromagnetic insulating state to the ...
A. von Hippel   +28 more
core   +9 more sources

Overlapping Genetic Background of Coronary Artery and Carotid/Femoral Atherosclerotic Calcification

open access: yesMedicina, 2021
Background and objectives: Multivessel atherosclerosis and its genetic background are under-investigated, although atherosclerosis is seldom local and still causes high mortality.
Anita Hernyes   +12 more
doaj   +1 more source

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
  +5 more sources

Psychosocial twin cohort studies in Japan: the Keio Twin Research Center (KoTReC) [PDF]

open access: yes, 2019
The Keio Twin Research Center (KoTReC) was established in 2009 at Keio University to combine two longitudinal cohort projects — the Keio Twin Study (KTS) for adolescence and adulthood and the Tokyo Twin Cohort Project (ToTCoP) for infancy and childhood ...
Ando, Juko   +20 more
core   +2 more sources

Exotic Quarks in Twin Higgs Models [PDF]

open access: yes, 2015
The Twin Higgs model provides a natural theory for the electroweak symmetry breaking without the need of new particles carrying the standard model gauge charges below a few TeV.
Cheng, Hsin-Chia   +3 more
core   +1 more source

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

Evidence That Pupil Size and Reactivity Are Determined More by Your Parents Than by Your Environment

open access: yesFrontiers in Neurology, 2021
Purpose: A classic twin study to evaluate the relative contributions of genetic and environmental factors to resting pupil size and reactivity.Methods: Pupillometry was performed on 326 female twins (mean age 64 years) from the TwinsUK Adult Twin ...
Abdus Samad Ansari   +5 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

Rationale and design of the Baylor Infant Twin Study—A study assessing obesity‐related risk factors from infancy

open access: yesObesity Science & Practice, 2021
Background Early childhood (0–3 years) is a critical period for obesity prevention, when tendencies in eating behaviors and physical activity are established.
Shabnam R. Momin   +12 more
doaj   +1 more source

Improved definition of growing pains: A common familial primary pain disorder of early childhood

open access: yesPaediatric & Neonatal Pain, 2022
Background Commonly applied diagnostic criteria for growing pains (GP) have evolved without determination by an authoritative representative body. GP and restless legs syndrome (RLS) share anatomical, distributional, temporal, and other clinical features
G. David Champion   +7 more
doaj   +1 more source

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