共 36 条
[1]
BAKER H, 1945, GROUP HLTH INSURANCE
[2]
BLANCHARD RH, 1945, 62 US SOC SEC BOARD
[3]
BLANCHARD RH, 1946, 62 US SOC SEC BOARD
[4]
BRUMM JM, 1947, LABOR NATION, V3, P46
[5]
BRUNDAGE DK, 1931, PUB HLTH REP 0904
[6]
COLEMAN BS, 1947, AJPH, V37, P1449
[7]
CRUICKSHANK N H, 1946, Conn State Med J, V10, P300
[8]
CUCICH G, 1947, COMMUNICATION
[9]
de Kruif Paul, 1943, KAISER WAKES DOCTORS
[10]
DEARING WP, 1946, AJPH, V36, P769