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Geochronological constraints on the age of a Permo-Triassic impact event: U-Pb and Ar-40/Ar-39 results for the 40 km Araguainha structure of central Brazil
(PERGAMON-ELSEVIER SCIENCE LTDOXFORD, 2012)
Impact cratering has been a fundamental geological process in Earth history with major ramifications for the biosphere. The complexity of shocked and melted rocks within impact structures presents difficulties for accurate ...
Espessura macular e acuidade visual na retinopatia diabética tratada por panfotocoagulação
(Conselho Brasileiro de Oftalmologia, 2008)
OBJETIVO: Comparar espessura macular e acuidade visual em pacientes portadores de retinopatia diabética, com e sem edema de mácula, submetidos à panfotocoagulação retiniana com laser de argônio. MÉTODOS: Os pacientes foram ...
Geochronological constraints on the age of a Permo-Triassic impact event: U-Pb and Ar-40/Ar-39 results for the 40 km Araguainha structure of central Brazil
(Pergamon-Elsevier Science LtdOxford, 2012)