Abstract
References
1.
Gabbato
F.
, &
Ferri
R.
(1973 ) Lavoro Umano 25 , 161 –171 .
2.
Miedema
J.
(1973 ) Tijdschrift voor sociale Geneeskunde 51 , 438 (English summary)
3.
Planteydt
H.T.
(1972 ) TNO News , November
4.
Rubino
G.F.
,
Scansetti
G.
,
Donna
A.
, &
Palestro
G.
(1972 ) British Journal of Industrial Medicine 29 , 436 –442 .
5.
Stumphius
J.
(1969 ) Annals of Occupational Hygiene 11 , 283 –293 .
6.
Zielhuis
R.L.
,
Versteeg
J P.J.
, &
Planteydt
H.T.
(1975 ) International Archives of Occupational and Environmental Health 36 , 1 –18