共 17 条
[1]
BENSON AS, 1975, TXB MED, P362
[2]
BRODIE J, 1977, J HYG, V19, P161
[3]
DUGGAN MB, 1975, J DIS CHILD, V50, P67
[4]
GOOD RA, 1950, LANCET, V1, P611
[5]
HIRSOWITZ L, 1951, S Afr Med J, V25, P274
[6]
HOOK EW, 1977, HARRISONS PRINCIPLES, P842
[7]
Huckstep RL, 1962, TYPHOID FEVER OTHER
[9]
MCKENDRICK GDW, 1973, PRICES TXB PRACTICE, P51
[10]
MUSOKE L K, 1952, East Afr Med J, V29, P209