Katz, Jerrold J.; Postal, Paul Martin
Meader, Clarence Linton; Muyskens, John Henry
Basart, Ann Phillips.
Henry, N. F. M. & Lipson, H. & Wooster, W. A.
Raphael, David L.; Clapper, Grant C.
Goldberg, Henry I., Charles B. Higgins & Ernest J. Ring, eds.
[World Health Organization]
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