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Permuted Medical Subject Headings - Page 182
Warrior Medic - Page 19
Index Medicus - Volume 45, Issue 11, Part 1 - Page 785
Cumulated Index Medicus - Volume 41 - Page 6613
Code of Federal Regulations: 2000- - Page 35
Medical Subject Headings - Volume 42 - Page 332
Library of Congress Subject Headings - Page 1648
Library of Congress Subject Headings - Page 1814
Federal Register - Volume 65, Issue 68 - Page 18672
ISCOMS - Book of Abstracts - Page 150