R. R. Spencer

Born: 1888

Died: 1982

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Born: 1888

Died: 1982

Books by R. R. Spencer (50 max)

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Studies on Rocky Mountain spotted fever.

1930

R. R. Spencer, Hygienic Laboratory (U.S.)

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Marijuana (revised)

1938

R. R. Spencer

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Opportunities for women in war medicine

1942

R. R. Spencer