This is a 4-week longitudinal (repeated measures) protocol with 5 separate samples:(1) a general community sample, (2) a sample of patients with osteoarthritis, (3) a sample of women reporting premens
This profile provides a concise and policy-relevant overview of health and the health system in Poland as part of the broader series of the State of Health in the EU country profiles. It provides a sh
Organisation for Economic Co-operation and Development50