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Purpose Blood pressure (BP) monitoring is an essential procedure in intensive care. There is controversy about the reliability of non-invasive BP measurements in very preterm infants. This prospective trial compared non-invasive BP monitoring with BP monitoring via an umbilical arterial catheter (UAC) in this population. Methods Preterm infants born at less than 32 weeks gestation requiring a UAC...
Female mate choice is an important mechanism of sexual selection, and in many species, females assess multiple characteristics of potential mates. Numerous studies have documented individual traits that females use to select a mate, but few have investigated how females use multiple male sex traits to choose a mate. In this study, we tested four hypotheses to determine how female barking treefrogs...
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