L Endahl

Physical exposure assessment in monotonous repetitive work--the PRIM study.

J P Bonde, N. Fallentin, B. Juul-Kristensen, 2001, Scandinavian journal of work, environment & health.

Prevalence proportion ratios: estimation and hypothesis testing.

M R Petersen, J Deddens, T. Skov, 1998, International journal of epidemiology.