共 6 条
[1]
ASSAD F, 1984, REV INFECTIOUS DIS S, V2, P5302
[3]
MONTEFIORE D, 1963, BRIT MED J, V1, P1569
[5]
*WHO, 1990, MAN VIR INV POL
[6]
1993, WEEKLY EPIDEMIOLOGIC, V31, P227