共 19 条
[11]
MOHAMMED I, 1981, LANCET, V1, P80
[12]
OBINECHE EN, 1982, VACCINES PUBLIC HLTH, P113
[15]
PELTOLA H, 1977, NEW ENGL J MED, V279, P689
[16]
SANBORN WR, 1972, PROGR IMMUNOBIOLOGIC, V5, P497
[17]
SMITH EA, 1982, VACCINES PUBLIC HLTH, P91
[18]
WAHDAN MH, 1973, B WORLD HEALTH ORGAN, V48, P667
[19]
WALI SS, 1982, VACCINES PUBLIC HLTH, P83