
U.S.. Department of Health & Human Services (American, 1953-)

U.S.. Department of Health & Human Services (American, 1953-)

U.S.. Department of Health & Human Services (American, 1953-)

U.S.. Department of Health & Human Services (American, 1953-)

U.S. Census Bureau (American, 1902-)

Steele Savage (American, 1898 - 1970)

Nils Kreuger (Swedish, 1858 - 1930)

National Library of Medicine (American, 1836-)

National Institutes of Health (American, 1887-)

National Institutes of Health (American, 1887-)

National Institutes of Health (American, 1887-)

National Institutes of Health (American, 1887-)

National Institutes of Health (American, 1887-)

National Institutes of Health (American, 1887-)

National Institutes of Health (American, 1887-)

National Institutes of Health (American, 1887-)

National Institutes of Health (American, 1887-)

National Institutes of Health (American, 1887-)