共 7 条
[1]
CLAUSEN JA, 1954, AM J PUBLIC HEALTH, V44, P1526
[3]
EDWARDS A, 1938, SOCIAL EC GROUPING G, P1
[4]
PRELIMINARY REPORT OF EPIDEMIOLOGICAL STUDIES ON POLIOMYELITIS AND STREPTOCOCCAL INFECTIONS - LANSING NEUTRALIZING ANTIBODY AND ANTISTREPTOLYSIN O SURVEYS OF CALIFORNIA CITIES, TEXAS, NORTH-CAROLINA, MEXICO, PACIFIC ISLANDS, AND JAPAN
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH,
1950, 40 (03)
:293-306
[6]
MELNICK JL, 1953, AM J HYGIENE, V58, P215
[7]
SABIN AB, 1951, AM J PUBLIC HEALTH, V41, P1215