共 23 条
[1]
Alter M J, 1983, MMWR CDC Surveill Summ, V32, p23SS
[2]
ANDERLE K, 1984, 16 INT C WORLD FED H
[3]
AUERSWALD G, 1984, 16 INT C WORLD FED H
[6]
DEINHARDT F, 1984, 16 INT C WORLD FED H
[10]
HEIMBURGER N, 1980, GELBEN HEFTE, V20, P165