共 20 条
[11]
LAFON M, 1983, DEV BIOL STAND, V57, P219
[13]
SIKES RK, 1971, B WORLD HEALTH ORGAN, V45, P1
[14]
STEELE JH, 1988, REV INFECT DIS S4, V10, P585
[18]
WIKTOR TJ, 1984, DEV BIOLOGICALS, V57, P199
[19]
1988, LANCET, V1, P912
[20]
1957, WHO TECHNICAL REPORT, V121