Laboratory studies of the impact of calcite on in vitro and in vivo effects of coal dust: a potential preventive agent for coal workers' pneumoconiosis?
Additional research may lead to the use of supplemental calcite in coal mining as a safe and effective way to prevent CWP among Appalachian coal miners.
Giving extra information made an extra 15% unable to choose. Clinical judgement must be exercised concerning the amount of information disclosed. Deciding what is material to the individual is arbitrary when so few items of information can be processed. Greater use of guardianship and independent second opinions is recommended.