Sverre Langard

Exposure assessment for a nested case-control study of lung cancer among European asphalt workers.

Hans Kromhout, Wolfgang Ahrens, Igor Burstyn, 2010, The Annals of occupational hygiene.

Mortality Among Workers Employed in the Titanium Dioxide Production Industry in Europe

Dario Mirabelli, Daniele Luce, Eero Pukkala, 2004, Cancer Causes & Control.

Bladder cancer incidence and exposure to polycyclic aromatic hydrocarbons among asphalt pavers

Hans Kromhout, Igor Burstyn, Paolo Boffetta, 2007, Occupational and Environmental Medicine.