Authors' Reply

Autor: Hoogendoorn, W. E., Bongers, P. M., de Vet, H. C., Twisk, J. W. R., van Mechelen, W., Bouter, L. M.
Zdroj: Occupational and Environmental Medicine, 2003 May 01. 60(5), 380-381.
Databáze: JSTOR Journals