Results 21 to 30 of about 6,126 (116)

Efectos inhibidores de crecimiento producidos por Cupressus lusitanica (Cupressaceae) en el Bosque de La Hoja, Heredia, Costa Rica

open access: yesCuadernos de investigación UNED, 2014
RESUMEN: En Costa Rica, Cupressus lusitanica es un árbol introducido que puede causar efectos negativos a las plantas nativas coexistentes. En este estudio comparamos el ambiente  lumínico, la humedad y acidez del suelo relacionadas con la presencia de ...
Daniela Barquero Salgado   +3 more
doaj   +1 more source

Familial autoimmune thyroid disease and PTPN-22 [PDF]

open access: yesMedicinski Glasnik, 2015
Aim Autoimmune thyroid disease (AITD) is a multifactorial disease with a genetic predisposition. The protein tyrosine phosphatase- 22 (PTPN-22) gene is a powerful inhibitor of T-cell activation.
Gabriel Conzuelo Rodríguez   +1 more
doaj   +1 more source

Spatial Distribution and Radiological Risk Assessment of Natural Radionuclides in Soils from Zacatecas, Mexico

open access: yesAnalytica
This study investigated the spatial distribution and radiological risks of naturally occurring radionuclides (226Ra, 232Th, 40K) in 37 soil samples from Zacatecas, located in north-central Mexico, using high-resolution gamma spectrometry.
Daniel Hernández-Ramírez   +5 more
doaj   +1 more source

FOXE1 Mutation Screening in a Case with Cleft Lip, Hypothyroidism, and Thyroid Carcinoma: A New Syndrome?

open access: yesCase Reports in Genetics, 2017
A 26-year-old woman is referred to the Internal Medicine consultation due to increases in laboratory studies associated with Papillary Thyroid Carcinoma (PTC) that was confirmed by histopathological studies.
Hugo Mendieta-Zerón   +3 more
doaj   +1 more source

"Las hojas del ciprés", clausura del proyecto literario de Jorge Luis Borges

open access: yesRevista de Filología y Lingüística de la Universidad de Costa Rica, 2015
En el artículo siguiente analizo el cuento "Las hojas del ciprés" incluido en Los Conjurados, el último libro publicado por Jorge Luis Borges. Mi conclusión es que los elementos esenciales de la producción literaria de Borges se mantienen en el presente
Oscar Montanaro Meza
doaj   +1 more source

Co‐phylogeny and biogeography of the myrmecophilous beetle Paussus favieri (Carabidae, Paussinae) and its host ant Pheidole pallidula (Hymenoptera, Myrmicinae)

open access: yesInsect Science, EarlyView.
Strict patterns of co‐divergence have rarely been documented other than among organisms and their symbionts. In this paper, using a molecular approach, we inferr the population‐level phylogenies of a Mediterranean ant species Pheidole pallidula and its nest parasite, the obligate myrmecophilous beetle Paussus favieri. We then investigate the role of co‐
Davide Bergamaschi   +2 more
wiley   +1 more source

Transmasculine pregnancy—Occurrence, associations, and outcomes: A quantitative systematic review

open access: yesActa Obstetricia et Gynecologica Scandinavica, EarlyView.
This quantitative systematic review of 44 studies shows that a significant minority of transmasculine people become pregnant, including after transition. Miscarriage and postnatal depression rates appeared high, but there was minimal information on most other important outcomes, demonstrating that more research is needed.
Catherine Meads   +3 more
wiley   +1 more source

AI‐Assisted Morphometric Analysis and Molecular Phylogeny for a Dactylogyrid (Monopisthocotyla) Skin Parasite of an Ornamental Crenuchid Fish From Brazil

open access: yesActa Zoologica, EarlyView.
ABSTRACT This study presents a formal description and taxonomic appraisal of Cacatuocotyle adrianoi sp. n., a Neotropical parasite belonging to the family Dactylogyridae, integrating AI‐assisted morphometric analyses, molecular data, and phylogenetic reconstruction. Phylogenetic analyses recovered Cacatuocotyle adrianoi sp. n.
J. C. C. Aguiar   +4 more
wiley   +1 more source

Principales árboles en el Área Metropolitana de Guadalajara y su relación con la alergia al polen

open access: yesRevista Alergia México
OBJETIVO: Identificar las principales especies de árboles del Área Metropolitana de Guadalajara y su relación con las alergias. MÉTODOS: Estudio observacional, transversal y descriptivo, llevado a cabo con la intención de identificar el arbolado del ...
Francisco Javier González Torres
doaj   +1 more source

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