Aphids (Homoptera, Aphidodea) inhabiting the trees Crataegus x media Bechst. in the urban green area. Part II. Domination and frequency of aphids, their enemies and the damage caused by aphids

The studies were conducted in Lublin in the years 1999-2001 in two sites (street and park ones) on the trees Crataegus x inedia Bechst.The purpose was to determine the domination and frequency of particular aphid species, their effect on the decorative character of galaxy harmony nc plants as well as the occurrence of the aphidophagous in aphid col

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Cross-Union Surgery for Congenital Pseudarthrosis of the Tibia

Congenital Pseudoarthrosis of the Tibia (CPT) is a rare condition with a reputation for recurrent fractures and failure to achieve union.A large variety of surgical procedures have been attempted for the treatment of fractured cases of CPT with an average rate of union without refracture of only 50%.Intentional cross-union between the tibia and fib

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