Prabda Prapasiri. 2007. Epidemiology and etiology of radiographycally confirmed community acquired pneumonia in Nakhon Phanom province Thailand : population based active surveillance. Field of Study Public Health, Mahidol University;
Prabda Prapasiri. (2007) Epidemiology and etiology of radiographycally confirmed community acquired pneumonia in Nakhon Phanom province Thailand : population based active surveillance . Mahidol University/Bangkok.
Prabda Prapasiri. Epidemiology and etiology of radiographycally confirmed community acquired pneumonia in Nakhon Phanom province Thailand : population based active surveillance. . Bangkok:Mahidol University, 2007.
Prabda Prapasiri. (2007) Epidemiology and etiology of radiographycally confirmed community acquired pneumonia in Nakhon Phanom province Thailand : population based active surveillance . Mahidol University/Bangkok.