Some of the most expensive fighters such as the US F-14 Tomcat, F-15 Eagle, F-22 Raptor and Russian Su-27 were employed as all-weather interceptors as well as air superiority fighter aircraft, while commonly developing air-to-ground roles late in their careers.
The health service measures that best predict subjective health status should be identifiable. Following her further degree in clinical epidemiology and biostatistics, her interest turned to the development of methods to measure subjective health status.
Information is of little vale if it is. not available in formats that meet the needs of multiple users â policy-makers, planners, managers, health care providers, communities, individuals. Therefore, dissemination and communication are. essential attributes of the health information system.