Results 111 to 120 of about 976,450 (184)

Concentración y distribución de metales pesados (Pb, Zn, Cu, Cd y Cr) en sedimentos viarios urbanos

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2011
Este artículo presenta los resultados obtenidos de la recolección del sedimento depositado durante 65 días sobre superfi cies viarias (Torrelavega-España). Se distinguieron dos tipos de muestras: la aspirada directamente y la recolectada tras un barrido.
Carlos A. Zafra Mejía   +2 more
doaj  

[Severe COVID: A challenge for rheumatologists]. [PDF]

open access: yesRev Med Inst Mex Seguro Soc
Bernal-Enriquez MB.
europepmc   +1 more source

[Anatomy of the Forest Plot graphic]. [PDF]

open access: yesRev Med Inst Mex Seguro Soc
Rojas-Jiménez D   +5 more
europepmc   +1 more source

[Prevalence of electronic cigarette use and refill compositions among young people and adults in Cantabria]. [PDF]

open access: yesOpen Respir Arch
Fernández-Carrillo PD   +5 more
europepmc   +1 more source

Association between current major depressive episode and the occurrence of menstrual irregularities in the last six months in university students in Lima, Peru. [PDF]

open access: yesRev Peru Med Exp Salud Publica
Pantoja-Coronel X   +5 more
europepmc   +1 more source

Phytoplankton cell death induced by solar ultraviolet radiation [PDF]

open access: yes
En esta tesis se ha demostrado que la radiación ultravioleta induce mortalidad en comunidades de fitoplancton de diferentes áreas del Océano Atlántico, del Mar Mediterráneo y del Océano Antártico.
Departament de Biologia   +1 more
core  

[Transcatheter resolution of a giant congenital coronary fistula in a child]. [PDF]

open access: yesArch Cardiol Mex
De la Cruz-Pelayo J   +3 more
europepmc   +1 more source

[Relationship between cerebral dominance and learning styles in Anesthesiology residents]. [PDF]

open access: yesRev Med Inst Mex Seguro Soc
Ortega-Barreiro A   +6 more
europepmc   +1 more source

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