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books.google.com - In the 20 years that have passed since the publication of the first edition, both Poison Control Centers and Emergency Departments have witnessed an expansion in the number and variety of poisonings caused by toxic plants. At the same time, there is a proliferation in the diversity of plants in our gardens...http://books.google.com/books/about/Handbook_of_poisonous_and_injurious_plan.html?id=-J-YxItyrHEC&utm_source=gb-gplus-shareHandbook of poisonous and injurious plants