共 21 条
[3]
BASSILY S, 1983, J TROP MED HYG, V86, P67
[4]
BASSILY S, 1979, J TROP MED HYG, V82, P248
[7]
DOMINGO E O, 1983, Southeast Asian Journal of Tropical Medicine and Public Health, V14, P456
[8]
el-Raziky E H, 1979, Egypt J Bilharz, V6, P1
[9]
el-Zayadi A, 1984, J Egypt Soc Parasitol, V14, P61
[10]
FLEISS JL, 1981, STAT METHODS RATES P, P33