R. Ranta

The effect of an irregular shift system on sleepiness at work in train drivers and railway traffic controllers

K. Müller, M. Sallinen, M. Härmä, 2002, Journal of sleep research.

Sleep–wake rhythm in an irregular shift system

K. Müller, M. Sallinen, M. Härmä, 2003, Journal of sleep research.

Sleepiness in various shift combinations of irregular shift systems.

K. Müller, M. Sallinen, M. Härmä, 2005, Industrial health.

Monoterpene and wood dust exposures: work-related symptoms among Finnish sawmill workers.

R. Ranta, Markku Mikael Nurminen, P. Jäppinen, 2002, American journal of industrial medicine.

A Video-Based Observation Method to Assess Musculoskeletal Load in Kitchen Work

Esa-Pekka Takala, Irmeli Pehkonen, Ritva Ketola, 2009, International journal of occupational safety and ergonomics : JOSE.

Co-occurrence of musculoskeletal pain among female kitchen workers

Eira Viikari-Juntura, Päivi Leino-Arjas, Eija Haukka, 2006, International archives of occupational and environmental health.

Nasal cell micronuclei, cytology and clinical symptoms in stainless steel production workers exposed to chromium.

H. Järventaus, H. Norppa, A. Mäkitie, 2002, Mutagenesis.