Is it useful to combine sputum cytology and low-dose spiral computed tomography for early detection of lung cancer in formerly asbestos-exposed power industry workers?

Michael K Felten, Lars Knoll, Christian Schikowsky, Marco Das, Christian Feldhaus, Kurt G Hering, Alfred Böcking, Thomas Kraus

Associations of physical activity, fitness, and body composition with heart rate variability–based indicators of stress and recovery on workdays: a cross-sectional study

Tiina Teisala, Sara Mutikainen, Asko Tolvanen, Mirva Rottensteiner, Tuija Leskinen, Jaakko Kaprio, Marjukka Kolehmainen, Heikki Rusko, Urho M Kujala

Accuracy of the VO2peak prediction equation in firefighters

Rachel E Klaren, Gavin P Horn, Bo Fernhall, Robert W Motl

Radiological surveillance of formerly asbestos-exposed power industry workers: rates and risk factors of benign changes on chest X-ray and MDCT

Christian Eisenhawer, Michael K Felten, Miriam Tamm, Marco Das, Thomas Kraus