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Feeding habits of ringed (Phoca hispida), bearded (Erignathus barbatus), spotted (Phoca largha) and ribbon (Phoca fasciata) seals and walrus (Odobenus rosmarus) were studied using stomach contents(More)
Neurofibrillary tangles (NFT) are the principal structural alteration of neuronal cell bodies in Alzheimer disease as well as in normal aging of the human brain. While the ultrastructure of these(More)