共 131 条
[4]
BIDSTRUP PL, 1951, BRIT J IND MED, V8, P302
[6]
BONSER GM, UNPUBLISHED
[7]
BRESLOW L, 1954, AM J PUBLIC HEALTH, V44, P171
[9]
BRYSON CC, 1951, Q J MED, V20, P173
[10]
Campbell JA, 1936, BRIT J EXP PATHOL, V17, P146