Transactions of the fourth International Sanitary Conference of the American Republics / held in San José, Costa Rica, December 25, 1909, to January 3, 1910. Published and distributed under the auspices of the Pan American Union, John Barrett, director-general.

Licence: Public Domain Mark

Credit: Transactions of the fourth International Sanitary Conference of the American Republics / held in San José, Costa Rica, December 25, 1909, to January 3, 1910. Published and distributed under the auspices of the Pan American Union, John Barrett, director-general. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.