http://www.merck.com/mmpe/sec14.html

Merck & Co., Inc. is a global research-driven pharmaceutical company dedicated to putting patients first. Established in 1891, Merck discovers, develops, manufactures and markets vaccines and medicines to address unmet medical needs. The company also devotes extensive efforts to increase access to medicines through far-reaching programs that not only donate Merck medicines but help deliver them to the people who need them. Merck also publishes unbiased health information as a not-for-profit service.Merck is committed to bringing out the best in medicine. As part of that effort, Merck has created The Merck Manuals, a series of healthcare books for medical professionals and consumers. As a service to the community, the content of The Manuals is now available in enhanced online versions as part of The Merck Manuals Online Medical Library. The Online Medical Library is updated periodically with new information, and contains photographs, and audio and video material not present in the print versions.