共 14 条
[3]
KEAN BH, 1976, AM J MED, V6, P159
[6]
NUSSENZWEIG V, 1990, HOSP PRACTICE 0915, P41
[8]
Prevention and control of influenza, 1990, MMWR MORB MORTAL WKL, V39, P1
[9]
PUNYAGUPTA S, 1974, American Journal of Tropical Medicine and Hygiene, V23, P551