books.google.co.in - Interest and information in the field of medical toxicology has grown rapidly, but there has never been a concise, authoritative reference focused on the subjects of natural substances, chemical and physical toxins, drugs of abuse, and pharmaceutical overdoses. Medical Toxicology of Natural Substances...http://books.google.co.in/books/about/Medical_Toxicology_of_Natural_Substances.html?id=CpqzhHc072AC&utm_source=gb-gplus-shareMedical Toxicology of Natural Substances