共 14 条
[2]
BJORKSTEN MG, 1987, ARBETE HALSA, V34, P1
[4]
HAGBERG M, 1987, BRIT J IND MED, V44, P602
[6]
HAGBERG M, 1982, 1982 SWED WORK ENV F, P2
[7]
JONSSON B, 1986, FRAGEFORMALAR FOR KA
[8]
KLEINBAUM DG, 1982, EPIDEMIOLOGIC RES