共 5 条
[1]
COOPER WC, 1958, US PUBLIC HLTH SERVI, V601
[2]
Observations and Studies on Silicosis by Diatomaceous Silica
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1932, 22 (10)
:1055-1060
[3]
MOTLEY H L, 1956, AMA Arch Ind Health, V13, P265
[4]
RITTERHOFF R. J., 1941, ANIER REV TUBERC, V43, P117
[5]
VORWALD AJ, 1949, 9 P INT C IND MED