Посевной комбайн как средство повышения эффективности посева зерновых культур
Published in Vestnik Altajskogo gosudarstvennogo agrarnogo universiteta • Jan 1, 2012
Authors:,,
Красовских Виталий Степанович
Бережнов Николай Николаевич
Щербинин Владимир Владимирович
Abstract
Tumours of the nasal olfactory region induced in five Syrian golden hamsters ater s.c. treatment with N-diethylnitrosamine (DEN) were examined electron microscopically. The neoplasms consisted of two cell types, the ultrastructure of which showed them to have originated from the precursors of olfact...
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