Results 11 to 20 of about 54,531 (257)

Lack of recovery of the long-spined sea urchin Diadema antillarum Philippi in Puerto Rico 33 years after the Caribbean-wide mass mortality [PDF]

open access: yesPeerJ, 2020
Caribbean populations of the long-spined black sea urchin Diadema antillarum Philippi were decimated by a disease-induced mass mortality in the early 1980’s. The present study provides an updated status of the D.
Evan Tuohy, Christina Wade, Ernesto Weil
doaj   +2 more sources

MicroRNA-18a-5p Suppresses Tumor Growth via Targeting Matrix Metalloproteinase-3 in Cisplatin-Resistant Ovarian Cancer

open access: yesFrontiers in Oncology, 2020
Cumulating evidence indicates that dysregulation of microRNAs (miRNAs) plays a central role in the initiation, progression, and drug resistance of cancer cells. However, the specific miRNAs contributing to drug resistance in ovarian cancer cells have not
Blanca I. Quiñones-Díaz   +7 more
doaj   +1 more source

Comparative demography of two common scleractinian corals: Orbicella annularis and Porites astreoides [PDF]

open access: yesPeerJ, 2017
Background Studies directed at understanding the demography and population dynamics of corals are relatively scarce. This limits our understanding of both the dynamics of coral populations and our capacity to develop management and conservation ...
Francisco J. Soto-Santiago   +5 more
doaj   +2 more sources

Portopulmonary hypertension practice patterns after liver transplantation

open access: yesLiver Transplantation, EarlyView., 2022
Abstract Portopulmonary hypertension (POPH) is a type of pulmonary arterial hypertension occurring exclusively in those with portal hypertensive liver disease. Liver transplantation (LT) can significantly improve outcomes. Current guidelines counsel against immediate adjustments to targeted therapy after LT and suggest routine echocardiography as ...
Arun Jose   +3 more
wiley   +1 more source

Actitud hacia la matemática de estudiantes en el curso Métodos Cuantitativos para Administración de Empresas

open access: yesFórum Empresarial, 2021
Uno de los posibles factores que explica el alto porcentaje de fracasos en los cursos de matemáticas es la actitud de los estudiantes hacia esta disciplina.
Wanda Velázquez-Rosado   +3 more
doaj   +1 more source

2414

open access: yesJournal of Clinical and Translational Science, 2017
OBJECTIVES/SPECIFIC AIMS: A retrospective analysis was done at the Cardiovascular Center to evaluate reperfusion strategies, including stemi infarcts and non-stemi classified as stemi in a period of 2 years.
Pablo I. Altieri   +6 more
doaj   +1 more source

Uncovering the link between environmental factors and coral immunity: A study of fluorescent protein expression and phenoloxidase activity in Acropora cervicornis

open access: yesFrontiers in Marine Science, 2023
Worsening environmental conditions due to climate change have profoundly affected the health of coral reefs worldwide. Thus, understanding how corals respond to fluctuating and/or extreme levels of temperature and solar irradiation will guide future ...
Carlos Toledo-Hernández   +7 more
doaj   +1 more source

Estudio comparativo de la competitividad internacional de Puerto Rico, República Dominicana y Haití en tiempos del covid-19

open access: yesFórum Empresarial, 2022
Esta investigación estudia la competitividad internacional de tres islas caribeñas: Puerto Rico (PR), República Dominicana (RD) y Haití (HT). La metodología utilizada fue el modelo de los nueve factores de Cho, mediante la evaluación de 38 indicadores de
Gilvany Díaz-Cotto   +3 more
doaj   +1 more source

Diagnosis and management of congenital epulis in a neonate: a case report

open access: yesRevista de Odontopediatria Latinoamericana
Objective and background: Congenital epulis, also known as granular cell epulis, is a rare benign tumor that typically affects neonates' maxillary or mandibular alveolar ridge.
Alice Arroyo-Julia   +5 more
doaj   +1 more source

Case report: A combination of nitroglycerin and adenosine proves effective in repairing a cerebral arteriovenous malformation

open access: yesFrontiers in Neurology, 2023
Hemorrhage secondary to rupture of a brain arteriovenous malformations (AVM) is one of the initial manifestations, and the main cause of, morbidity and mortality in patients with this condition.
Virginia Rojas-Nieves   +8 more
doaj   +1 more source

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