Data that have a multilevel structure occur frequently across a range of disciplines, including epidemiology, health services research, public health, education and sociology. We describe three ...

This article is founded on the assumption that cluster analysis can be used to complement regression-based techniques to obtain further improvement in systematic understanding of the nexus of politics ...

Advancements in image-guided needle core biopsy technique have resulted in less invasive procedures compared to traditional open biopsy. CT or ultrasound-guided core biopsy is now the standard ...