John C Woolcott

Meta-analysis of the impact of 9 medication classes on falls in elderly persons.

Karim M Khan, Carlo A Marra, K. Khan, 2009, Archives of internal medicine.

A comparison of generic, indirect utility measures (the HUI2, HUI3, SF-6D, and the EQ-5D) and disease-specific instruments (the RAQoL and the HAQ) in rheumatoid arthritis.

Jacek A Kopec, Carlo A Marra, J. Kopec, 2005, Social science & medicine.