Modern occupational tasks are often complex – consisting of multiple, discrete sub-tasks, each with its own unique combination of force, duration of exertion, posture, and frequency. Quantifying the ...

Random error (misclassification) in exposure measurements usually biases a relative risk, regression coefficient, or other effect measure towards the null value (no ...

OBJECTIVES--This two part study aimed to determine whether there was an excess mortality generally or for some diseases among middle aged white South African gold miners on the Witwatersrand and ...

Introduction Some engine exhaust components are carcinogenic or have hormone-disrupting properties. Objective To investigate the association between lifetime occupational exposure to various engine ...