共 13 条
[2]
AXELSON O, 1982, SCAND J WORK ENV HEA, V8, P15
[5]
Axelson O, 1984, Ann Acad Med Singap, V13, P308
[7]
ERIKSSON M, 1981, BRIT J IND MED, V38, P27
[9]
Ibrahim MA, 1979, CASE CONTROL STUDY C