共 12 条
[1]
BAUER DJ, 1963, LANCET, V2, P494
[2]
GODDARD JL, 1964, NATIONAL C INSTITUTI, P2
[4]
SMALLPOX IMMUNIZATION IN UNITED STATES
[J].
JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1965, 194 (02)
:161-&
[6]
MCLEAN DM, 1962, CAN MED ASSOC J, V87, P772
[7]
MILLAR JD, 1964, NATIONAL C INSTITUTI, P106
[8]
Palmquist Emil E., 1947, CANADIAN JOUR PUBL HEALTH, V38, P213
[9]
WEINSTEIN J, 1947, AMER J PUBLIC HEALTH, V37, P1376
[10]
1961, EPIDEMIOLOGY VITAL S, V14, P422