Background: Brain death is defined as an irreversible cessation of all brain activity. Ancillary tests are objective way to support initial diagnosis death. Computed tomography angiography (CTA) imaging modality utilized ancillary mean assist clinicians with such diagnosis. Different criteria and scoring systems have been proposed, however clear yet be recognized demonstrate full circulatory ar...

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Correspondence: Pedro Carrera-Bastos R. Gorgel do Amaral, No. 5, 1 e; Lisbon 1250-119, Portugal Tel +351 967 088 799 email [email protected] Abstract: It is increasingly recognized that certain fundamental changes in diet and lifestyle that occurred after the Neolithic Revolution, and especially after the Industrial Revolution and the Modern Age, are too recent, on an evolutionary ...

Background Considering the controversial results published in the literature concerning associations between human leukocyte antigens (HLA) and rheumatic fever (RF), the purpose of the present study was to investigate by means of cosegregation analysis the participation of HLA genes in susceptibility to RF. Methods and Resuls The sample reported here was composed of 51 affected and 66 healthy i...

There was an error published in ‘The many faces of hematopoietic stem cell heterogeneity’ by Mihaela Crisan and Elaine Dzierzak (2016). Development 143, 4571-4581 (doi: 10.1242/dev.114231). Acknowledgement of funding from the European Research Council was inadvertently omitted. The revised Funding section appears below. The authors apologise to readers for this mistake. Funding Work in our labo...

The diagram showing off-center nested spheres which is traditionally used to illustrate the Doppler effect, misleading and its trigonometric analysis leads errors concerning light, because electromagnetic aberration effects conform a wavefront surface that not sphere but an ellipsoid stretched along trajectory of source. Cartesian polar equations spherical ellipsoidal wavefronts are compared he...