AN ADAPTED EXERCISE-CYCLE.
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Biomedical subjects
Publications and source records attributed to K M SMITH.
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THIN SECTIONS HAVE BEEN CUT OF THE VIRUS PARTICLES FROM FOUR TYPES OF INSECT VIRUS DISEASES: cytoplasmic polyhedroses of lepidopterous larvae, a nuclear polyhedrosis of Tipula paludosa (Diptera), a granulosis from Melanchra persicariae (Lepidoptera), and a new virus disease without polyhedra from T. paludosa. The cytoplasmic polyhedral viruses are thought to have composite particles in some cases. The shape and enveloping membranes of the different virus particles are compared. In the new virus disease of T. paludosa some of the virus particles appear to be empty; inclusion bodies surrounded by complicated membranes are also demonstrated.
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