共 9 条
[2]
GORDON JE, 1965, CONTROL COMMUNICA ED, P143
[4]
JOY RJT, PERSONAL COMMUNICATI
[5]
MACDONALD G, 1957, EPIDEMIOLOGY CONTROL, P54
[7]
THE DISTRIBUTION OF INCUBATION PERIODS OF INFECTIOUS DISEASE
[J].
AMERICAN JOURNAL OF HYGIENE,
1950, 51 (03)
:310-318