共 27 条
[1]
EPIDEMIOLOGY OF TUBERCULOSIS IN PHYSICIANS
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1979, 241 (01)
:33-38
[2]
INFECTIOUSNESS OF RUBELLA AND POSSIBILITY OF REINFECTION
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1966, 56 (07)
:1082-+
[5]
FLEISS JL, 1973, STATISTICAL METHODS, P112
[6]
HALSTEAD SB, 1969, J AMER MED ASSOC, V210, P1881
[10]
MCLAUGHLIN MC, 1979, AM J PUBLIC HLTH, V79, P287