01074nam a2200205Ia 4500 CTU_154640 210402s9999 xx 000 0 und d 748000 615.321 E92 Evans, William Charles Trease and Evans pharmacognosy William Charles Evans Edinburgh Saunders/Elsevier 2009 This encyclopedic reference work on pharmacognosy covers the study of those natural substances, principally plants, that find a use in medicine. Its popularity and longevity stem from the book's balance between classical (crude and powdered drugs' characterization and examination) and modern (phytochemistry and pharmacology) aspects of this branch of science, as well as the editor's recognition in recent years of the growing importance of complementary medicines, including herbal, homeopathic and aromatherapy Pharmacognosy,Dược liệu học Trọng Hải Trung tâm Học liệu Trường Đại học Cần Thơ