Pornsawan Amarapal. (1999) Prevalence of cytomegalovirus in Thai blood donors by monoclonal antibody staining of blood leukocytes. Mahidol University,:ม.ป.ท.Pornsawan Amarapal. 1999. Prevalence of cytomegalovirus in Thai blood donors by monoclonal antibody staining of blood leukocytes. ม.ป.ท.:Mahidol University,;Pornsawan Amarapal. Prevalence of cytomegalovirus in Thai blood donors by monoclonal antibody staining of blood leukocytes. ม.ป.ท.:Mahidol University, 1999. Print.