Orn-Anong Ratchtrachenchai. 1993. Detection of Legionella infection by using broad-spectrum enzyme-linked immunosorbent assaya. Faculty of Graduate Studies, Mahidol University;
Orn-Anong Ratchtrachenchai. (1993) Detection of Legionella infection by using broad-spectrum enzyme-linked immunosorbent assaya . Mahidol University/Bangkok.
Orn-Anong Ratchtrachenchai. Detection of Legionella infection by using broad-spectrum enzyme-linked immunosorbent assaya. . Bangkok:Mahidol University, 1993.
Orn-Anong Ratchtrachenchai. (1993) Detection of Legionella infection by using broad-spectrum enzyme-linked immunosorbent assaya . Mahidol University/Bangkok.