Body Systems cover Encyclopedia of Drugs, Alcohol & Addictive Behavior, ed. 3 cover Medicine, Health, and Bioethics: Essential Primary Sources cover Psychology & Mental Health cover The Gale Encyclopedia of Alternative Medicine, ed. 4 cover The Gale Encyclopedia of Genetic Disorders, ed. 4 cover The Gale Encyclopedia of Medicine, ed. 5 cover The Gale Encyclopedia of Surgery and Medical Tests, ed. 3 cover Worldmark Global Health and Medicine Issues cover