Samples of paraquat dichloride and paraquat dimethosulphate are equitoxic when the LD 50 is expressed as mg. paraquat ion/kg. body-weight. There are wide species variations in the LD 50 and, of course ...

Objectives We investigated associations between maternal occupations and a diagnosis of autism spectrum disorder (ASD) in offspring. Methods We obtained data for 1702 ASD cases born between 1973 and ...

3 School of Public Health, University of North Carolina, Chapel Hill, North Carolina, USA Correspondence to Professor Dana Loomis, School of Community Health Sciences/MS-274, University of Nevada, ...

Objectives: Benzene is a widely recognised cause of leukaemia but its association with non-Hodgkin’s lymphoma (NHL) is less well established. The goal of this project is to review the current ...

OBJECTIVES To investigate the relation between different types of exposure to noise and a classic sign of noise induced hearing loss (NIHL), the audiometric notch. METHODS The study sample had ...

Background: A number of epidemiological studies suggest that the risk of asthma is increased among those living in close proximity to major roads. However, the evidence is inconsistent, and effects on ...

Objectives Exposure to high altitude can affect human health, including the development of adverse cardiovascular effects. This study aimed to investigate alterations in cardiac morphology and ...

Aims: To examine the dimensionality, internal consistency, and construct validity of a new physical workload questionnaire in employees with musculoskeletal complaints. Methods: Factor analysis was ...

A simple experimental model was used to study the influence of organic solvents and solvent mixtures on the integrity of biological membranes. Radiolabelled membranes were prepared biosynthetically by ...

2 Centre for Research in Environmental Epidemiology, Barcelona Biomedical Research Park, Barcelona, Spain 3 Institute of Environmental Assessment and Water Research (IDAEA), Spanish Council for ...

Correspondence to Professor Duncan McVicar, Queen's Management School, Queen's University Belfast, Belfast BT9 5EE, UK; d.mcvicar{at}qub.ac.uk Objectives This paper assessed the impact of working in ...