Sulaik และ Tahir B. (1994) Patient's delay and doctor's delay in the diagnosis of tuberculosis in TB zonal center II, Thailand. Mahidol University,:ม.ป.ท.Sulaik และ Tahir B. 1994. Patient's delay and doctor's delay in the diagnosis of tuberculosis in TB zonal center II, Thailand. ม.ป.ท.:Mahidol University,;Sulaik และ Tahir B. Patient's delay and doctor's delay in the diagnosis of tuberculosis in TB zonal center II, Thailand. ม.ป.ท.:Mahidol University, 1994. Print.