Chettha Soudprakhon. (2000) Risk factors of falciparum re-infection in malaria patients in Um-phang district, Tak province, along the Thai-Myanmar border. Mahidol University,:ม.ป.ท.Chettha Soudprakhon. 2000. Risk factors of falciparum re-infection in malaria patients in Um-phang district, Tak province, along the Thai-Myanmar border. ม.ป.ท.:Mahidol University,;Chettha Soudprakhon. Risk factors of falciparum re-infection in malaria patients in Um-phang district, Tak province, along the Thai-Myanmar border. ม.ป.ท.:Mahidol University, 2000. Print.