You have requested access to download the full text of the source (SourceID: 165993): Hopper, B. E. (1966). Theristus polychaetophilus n. sp. (Nematoda), an external parasite of the spionid polychaete Scolelepis (Scolelepis) squamata (Müller, 1806). Can. J. Zool. 44: 787-791.
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