Fuangfa Utrarachkij. 1996. Transfer rate of transplacental pertussis antitoxin. Faculty of Graduate Studies, Mahidol University;
Fuangfa Utrarachkij. (1996) Transfer rate of transplacental pertussis antitoxin . Mahidol University/Bangkok.
Fuangfa Utrarachkij. Transfer rate of transplacental pertussis antitoxin. . Bangkok:Mahidol University, 1996.
Fuangfa Utrarachkij. (1996) Transfer rate of transplacental pertussis antitoxin . Mahidol University/Bangkok.