The directional growth of an organism in response to an external stimulus such as light, touch, or gravity. Growth towards the stimulus is a positive tropism; growth away from the stimulus is a negative tropism. (From Concise Dictionary of Biology, 1990)
Viral vaccines -- Congresses. : The nidoviruses : toward control of SARS and other nidovirus diseases / Stanley Perlman, Kathryn V. Holmes, editors
2006
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Viral Vaccines -- history. : Crafting immunity : working histories of clinical immunology / edited by Kenton Kroker, Jennifer Keelan, Pauline M.H. Mazumdar
Viramontes, Helena María, 1954- Under the feet of Jesus : Novels for students. Volume 51 : presenting analysis, context, and criticism on commonly studied novels / Sara Constantakis, project editor ; foreword by Anne Devereaux Jordan
2016
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Viramontes, Tony, 1956-1988. : Bold, beautiful and damned : the world of 1980s fashion illustrator Tony Viramontes / Dean Rhys Morgan ; foreword by Jean Paul Gaultier