China sales were down 26 percent in the first half of the year due to volume-based procurement programs and healthcare pricing reforms in China.

An assessment of the documentation for 30 over-the-counter diagnostic tests found none met the current regulatory standards.

An assessment of the documentation for 30 over-the-counter diagnostic tests found none met the current regulatory standards.

The blood test is designed to detect the accumulation of amyloid protein deposits in the brain, a hallmark of Alzheimer's disease.

The company said on Thursday that most of the increase came from organic revenues while acquisitions contributed to the company's growth.