共 10 条
[2]
EPIDEMIC INFECTIOUS HEPATITIS IN A SMALL IOWA COMMUNITY
[J].
AMERICAN JOURNAL OF HYGIENE,
1946, 43 (03)
:314-325
[4]
IPSEN J, 1950, AM J PUB HLTH, V40, P136
[5]
Studies on the epidemiology of scarlet fever
[J].
AMERICAN JOURNAL OF HYGIENE,
1926, 6 (03)
:389-430
[7]
STOCKS P, 1928, ANN EUGEN LOND, V3, P398
[8]
TOP FH, 1935, AM J PUBL HLTH, V28, P935
[10]
WILSON EDWIN B., 1939, PROC AMER PHIL SOC, V80, P357