Proceedings of the second Pan American scientific congress : what can unofficial effort do for public health? / by Fisher, Irving

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Proceedings of the second Pan American scientific congress : ways and means of bringing matters of public health to social usepulness / by Woodward, William C.

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Desigualdades en la percepción de morbilidad yu en las conductas frente al cuidado de la salud / by López, Elsa

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Proceedings of the second Pan American scientific congress : child labor and public health / by Lovejoy, Owen R.

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Proceedings of the second Pan American scientific congress : public health measures in relation to venereal diseases / by Snow, William F.

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Proceedings of the second Pan American scientific congress : a safe and sane milk supply / by Weinzirl, John

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Proceedings of the second Pan American scientific congress : lucha contra el alcoholismo / by Sarmiento Laspiur

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Proceedings of the second Pan American scientific congress : el problema del alcoholismo y su posible solución / by López de Mesa, Luis

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Proceedings of the second Pan American scientific congress : paujevism, an analysis / by Devine, Edward T.

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Proceedings of the second Pan American scientific congress : the etiology and prevention of tuberculosis from the sociological pints of view / by White, William Charles

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Proceedings of the second Pan American scientific congress : autofrasias mentales / by Gorriti, Fernando

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Proceedings of the second Pan American scientific congress : infantile scurvy / by Hess, Alfred F.

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Proceedings of the second Pan American scientific congress : disposal of refuse / by Sedgwick, William T.

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Proceedings of the second Pan American scientific congress : collection and disposal of municipal refuse / by Fetherston, J. T.

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Proceedings of the second Pan American scientific congress : anaphylaxis / by Weil, Richard

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Proceedings of the second Pan American scientific congress : further evidence that crown gall of plants is cancer / by Smith, Erwin F.

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Proceedings of the second Pan American scientific congress : radium in experimental cancer / by Wood, Francis Carter

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Proceedings of the second Pan American scientific congress : radium in the treatment of cancer / by Duane, William

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Proceedings of the second Pan American scientific congress : pathological aspects of some problems of experimental cancer research / by Ewing, James

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Proceedings of the second Pan American scientific congress : discovery and identification of the stages in the asexual cycle of the causative organism of Peruvian verruga / by Townsend, Charles H. T.

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