Key term: classification

Amendments and corrections 1981;7 suppl 3:0-
Vihma Tapani
 
Supplement 1981;7 suppl 3:1-149   pdf
Health hazards and stress factors in small industry - Prevalence study in the province of Uusimaa with special reference to the type of industry and the occupational title as classifications for the description of occupational health problems.
Vihma T
 
Short communication 1982;8(2):134-136   pdf
Classification of low-back pain.
Nachemson AL, Andersson GB