1National Museum of Health and Medicine, U.S. Army Medical Research and Materiel Command, 2500 Linden Lane, Silver Spring, MD 20910.
† The contributor hereby certifies the contribution to be a work of the U.S. Government, which has been prepared by an officer or employee of the U.S. Government as part of his or her official duties, and therefore precluded from copyright protection under 17 USC §105. The contribution is in the public domain by operation of laws of the United States of America.