Worapa Heepchantree. 2005. Biomonitoring study and health risk assessment of populations residing in Chiang Mai province with high risk of lung cancer. Field of Study Biology, Chiang Mai University;
Worapa Heepchantree. (2005) Biomonitoring study and health risk assessment of populations residing in Chiang Mai province with high risk of lung cancer . Chiang Mai University/Chiang Mai.
Worapa Heepchantree. Biomonitoring study and health risk assessment of populations residing in Chiang Mai province with high risk of lung cancer. . Chiang Mai:Chiang Mai University, 2005.
Worapa Heepchantree. (2005) Biomonitoring study and health risk assessment of populations residing in Chiang Mai province with high risk of lung cancer . Chiang Mai University/Chiang Mai.