Accurately measuring the amplitude of a sinusoidal signal is a design challenge that is common to many data acquisition designs. The most famous and ubiquitous solution to this problem is synchronous ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Breast cancer characteristics in yielders and nonyielders of nipple aspiration fluid. Use of patient navigation to improve diagnostic and treatment delays among patients with abnormal mammography ...