Monique Hölting

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Philippe J. R. Kok6
Pedro Ivo Simões5
Albertina P Lima5
Pedro Luís Vieira Peloso5
Marcelo José Sturaro5
5Sandra Maria Hartz
5Taran Grant
5Camila Ineu Medeiros
5Camila Both
3Raffael Ernst

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High Levels of Diversity Uncovered in a Widespread Nominal Taxon: Continental Phylogeography of the Neotropical Tree Frog Dendropsophus minutus
Species distributed across vast continental areas and across major biomes provide unique model systems for studies of biotic diversification, yet also constitute daunting financial, logistic and political challenges for data collection across such regions. The tree frog Dendropsophus minutus (Anura: Hylidae) is a nominal species, continentally distributed… (More)
A third microendemic to the Iwokrama Mountains of central Guyana: a new “cryptic” species of Allobates Zimmerman and Zimmerman, 1988 (Anura: Aromobatidae)
The aromobatid frog Allobates amissibilis sp. nov. is described from a very limited area in the Iwokrama Mountains at elevations between 160 and 950 m, in central Guyana, South America. The new taxon is diagnosed from other Allobates species by morphology, bioacoustics, and genetics, and can be distinguished readily from known congeners by cryptic… (More)
Elevation of liver enzymes in multiple dose trials during placebo treatment: are they predictable?
The present study examined the increase in transaminases, especially in ALT in young healthy males during placebo treatment in phase I multiple dose trials. The primary objective was to investigate whether volunteers showing increasing ALT levels also present characteristic patterns of demographic data, laboratory parameters, and vital signs. The secondary… (More)
Relicts of a forested past: Southernmost distribution of the hairy frog genus Trichobatrachus Boulenger, 1900 (Anura: Arthroleptidae) in the Serra do Pingano region of Angola with comments on its taxonomic status.
The monotypic genus Trichobatrachus, with its sole representative, the hairy frog, Trichobatrachus robustus Boulenger, 1900, could be considered one of the most well-known frogs of Africa. Despite its broad recognition and the fact that it is considered wide-spread and locally common (Amiet & Burger 2004), surprisingly little is known about the actual… (More)
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