Merck Manual of Diagnosis and Therapy

The Merck Manual of Diagnosis and Therapy (often referred to simply as The Merck Manual) is one of the world's most widely used medical textbooks. In 1899 it was first published under the name Merck's Manual of the Materia Medica. The current version is the seventeenth edition. The text is freely available from the website of its publisher, the United States pharmaceutical company Merck & Co., Inc.

External links

• Merck Manual Online