Results 201 to 210 of about 2,272,172 (332)

Herd Immunity to COVID-19 [PDF]

open access: yesAmerican Journal of Clinical Pathology, 2021
openaire   +2 more sources

Bone Grafts: Everything You Need to Know

open access: yesJournal of Periodontal Research, EarlyView.
This review classifies bone grafts (autograft, allograft, xenograft, synthetic) by source and osteogenic/inductive/conductive potential, linking material properties and mechanisms to clinical indications in periodontal and dental regeneration. Key challenges—limited osteoinduction, poor vascularisation, unbalanced resorption, handling difficulties, and
Håvard Jostein Haugen   +5 more
wiley   +1 more source

Herd immunity for COVID-19 [PDF]

open access: yesThe Lancet Respiratory Medicine, 2021
openaire   +2 more sources

The Survival of the Royals

open access: yesKyklos, EarlyView.
ABSTRACT We study the effect of royal status—a historically rooted legal privilege enjoyed by hereditary monarchs and their families—on human longevity, a proxy of individuals' health capital. We disentangle the effect of royal status that encompassed serving as heads of state from that of other royal family members and compare it to their contemporary
Alberto Batinti   +2 more
wiley   +1 more source

COVID-19 and herd immunity [PDF]

open access: yesJournal of the Royal Society of Medicine, 2022
openaire   +2 more sources

Conspecific cueing or cooperative feeding?—Foraging stable flies are visually attracted to conspecific flies

open access: yesMedical and Veterinary Entomology, EarlyView.
In two‐choice laboratory bioassays, food‐deprived and CO2‐stimulated stable flies were offered paired landing platforms that were baited or not (control) with conspecific flies. The presence of conspecifics prompted the attraction and landing of foraging stable flies.
Emmanuel Hung   +4 more
wiley   +1 more source

Plant–Plant Competition Limits Arabidopsis Shoot Branching and Silique Production Independently of Soil Mineral Nutrients, Strigolactones and BRANCHED1

open access: yesPlant, Cell &Environment, EarlyView.
ABSTRACT In natural environments, plants compete with neighbouring plants for resources such as light, water and nutrients. To detect neighbours, plants have evolved mechanisms that are poorly understood at the molecular‐genetic level. This study examined the impact of competition on the growth and reproductive success of Arabidopsis thaliana grown in ...
Jessica Thome   +10 more
wiley   +1 more source

What is the evidence in favor of herd immunity for the COVID-19 pandemics?

open access: yesJournal of Evidence-Based Healthcare, 2021
Alison Felipe Alencar Chaves
doaj   +1 more source

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