The American Academy of Neurology's top five choosing wisely recommendations.

Objective: To discuss the American Academy of Neurology (AAN)'s Top Five Recommendations in the Choosing Wisely campaign promoting high-value neurologic medicine and physician-patient communication. The AAN published its Top Five Recommendations in February 2013 in collaboration with the American Board of Internal Medicine Foundation and Consumer Reports.

Methods: A Choosing Wisely Working Group of 10 AAN members was formed to oversee the process and craft the evidence-based recommendations.

Solubility and chemistry of materials encountered by beryllium mine and ore extraction workers: relation to risk.

Objective: Beryllium mine and ore extraction mill workers have low rates of beryllium sensitization and chronic beryllium disease relative to the level of beryllium exposure. The objective was to relate these rates to the solubility and composition of the mine and mill materials.

Method: Medical surveillance and exposure data were summarized.