Log Category of Documents: (c) Item 4: Introduction of Nguyen Thai Hoc for treatment of malaria.
Coordinate N/A
Keywords People Nguyen The Son, Ngo, Nguyen Thai Hoc
Keywords Location N/A
Keywords Objects malaria
Summarize Letter of introduction signed by Nguyen The Son and countersigned by Ngo for the introduction of Nguyen Thai Hoc to K30B for treatment of malaria.