TY - BOOK T1 - Ventures in world health the memoirs of Fred Lowe Soper A1 - Soper, Fred Lowe 1893- A2 - Duffy, John 1915- LA - English PP - Washington PB - Pan American Health Organization, Pan American Sanitary Bureau, Regional Office of the World Health Organization YR - 1977 UL - https://tuklas.up.edu.ph/Record/UP-1685523046125239367 OP - 365 NO - Includes bibliographical references. CN - RA424.5 S68 KW - Health officers : Biography. : America. KW - Soper, Fred Lowe, 1893- KW - Yellow fever : Prevention : History. : America. KW - Yellow fever : Prevention : History. ER -