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Molecular Systematics and Phylogeny of Old and New World Ratsnakes, Elaphe Auct., and Related Genera (Reptilia, Squamata, Colubridae)
The phylogenetic relationships of the Holarctic ratsnakes (Elaphe auct.) are inferred from portions of two mitochondrial genes, 12S rRNA and COI, and another new genus is described for four Oriental species.
Parasitological detection of Trypanosoma brucei gambiense in serologically negative sleeping-sickness suspects from north-western Uganda.
The value of co-ordinated use of serological and parasitological techniques in the diagnosis of Gambian sleeping sickness is demonstrated and the general prevalence of parasitologically positive but CATT-negative cases is unclear.