Physical capacity in relation to present and past physical load at work: a study of 484 men and women aged 41 to 58 years.
Torg?n M, Punnett L, Alfredsson L, Kilbom A. Physical capacity in relation to present and past physical load at work: a study of 484 men and women aged 41 to 58 years. Am J Ind Med. 1999 Sep; 36(3):388-400.