Achawee Rutanarugsa. (1989) Drug resistance of Haemophilus ducreyi. Mahidol University,:ม.ป.ท.Achawee Rutanarugsa. 1989. Drug resistance of Haemophilus ducreyi. ม.ป.ท.:Mahidol University,;Achawee Rutanarugsa. Drug resistance of Haemophilus ducreyi. ม.ป.ท.:Mahidol University, 1989. Print.