PHYLOGENY OF AMAZONA BARBADENSIS AND THE YELLOW-HEADED AMAZON COMPLEX (AVES: PSITTACIDAE): A NEW LOOK AT SOUTH AMERICAN PARROT EVOLUTION.

Phylogeny of Amazona barbadensis and the Yellow-headed Amazon complex (Aves: Psittacidae): a new look at South American parrot evolution.

The Yellow-shouldered Amazon (Amazona barbadensis) is the sole parrot of the genus Amazona that inhabits only dry forests.Its population has been dropping; therefore it has been the topic of many studies and conservation efforts.However, the phylogenetic relationship of this species to potential relatives classified within the Yellow-Headed Amazon

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Morphofunctional rearrangement of the hepatic vasculature in the pathogenesis of portal hypertension in liver cirrhosis

The paper presents an update on the mechanisms for enhanced hepatic vascular resistance to the portal circulation underlying the pathogenesis of portal hypertension in liver Indigestion cirrhosis.In addition to gross hepatic structural disorders related to diffuse fibrosis and formation of regenerative nodules, the Treatments morphofunctional rearr

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