Lumbar disc syndrome in Finland.
Heliövaara M, Impivaara O, Sievers K, Melkas T, Knekt P, Korpi J, Aromaa A.
Heliövaara M, et al. Among authors: aromaa a.
J Epidemiol Community Health. 1987 Sep;41(3):251-8. doi: 10.1136/jech.41.3.251.
J Epidemiol Community Health. 1987.
PMID: 2965207
Free PMC article.