共 12 条
[1]
BOHLIG H, 1970, CHEST, V58, P57
[2]
DOYLE HN, 1970, 8458 US DEP INT BUR
[4]
ROENTGENOGRAPHIC EVIDENCE OF COAL WORKERS PNEUMOCONIOSIS IN 3 GEOGRAPHIC AREAS IN UNITED-STATES
[J].
JOURNAL OF OCCUPATIONAL MEDICINE,
1969, 11 (08)
:399-408
[5]
LAINHART WS, 1969, PNEUMOCONIOSIS APPAL
[6]
LIEBEN J, 1961, J Occup Med, V3, P493
[7]
McBRIDE W. WAYNE, 1963, JOUR OCCUP MED, V5, P376
[8]
MCBRIDE WW, 1966, JOM-J OCCUP MED, V8, P365
[10]
MORGAN WKC, 1968, AM REV RESPIR DIS, V98, P306