A validated, highly sensitive and precise high-performance liquid chromatographic (HPLC) method for the determination of the macrolides erythromycin, azithromycin, clarithromycin and roxithromycin in human serum is described.

The pursuit of unsustainable economic growth, bad development policy, lack of good science, and poverty are a prescription for ill health. These result in a bad living environment which contributes significantly to morbidity. A conference on the state of

The growth of cities and industries has severely affected the environment. The spread of disease has increased with the spread of civilisation

New diseases are emerging with changes in the environment, some old diseases are also staging a comeback

The status of health can be improved with proper environment management