Kreingkrai Piriyasupong. 2001. Cost comparative study of equine and human rabies immunoglobulin in Thailand. Field of Study Health Economics, Chulalongkorn University;
Kreingkrai Piriyasupong. (2001) Cost comparative study of equine and human rabies immunoglobulin in Thailand . Chulalongkorn University/Bangkok.
Kreingkrai Piriyasupong. Cost comparative study of equine and human rabies immunoglobulin in Thailand. . Bangkok:Chulalongkorn University, 2001.
Kreingkrai Piriyasupong. (2001) Cost comparative study of equine and human rabies immunoglobulin in Thailand . Chulalongkorn University/Bangkok.