Klaas Biersteker

Occupational exposure and 25-year incidence rate of non-specific lung disease: the Zutphen Study.

H. Kromhout, D. Kromhout, D. Heederik, 1990, International journal of epidemiology.

Relations between occupation, smoking, lung function, and incidence and mortality of chronic non-specific lung disease: the Zutphen Study.

H. Kromhout, D. Kromhout, D. Heederik, 1992, British journal of industrial medicine.