Morphology and development of the vocal sac apparatus in the African frog Rana (Ptychadena) porosissima Steindachner
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Bacterial Flora and Proximate Composition of Edible Frogs (Ptychadena mascareniensis and Ptychadena pumilio) from Some Locations in Rivers State, Nigeria
The Transition from Traditional Cults to the Affirmation of Christian Beliefs in the City of Oxyrhynchus
