Pharmacology deals with the development, discovery, and characterization of chemicals which show biological effects.
The River Kenfig -LRB- Afon Cynffig -RRB- is a river in Wales , straddling the county boroughs of Neath Port Talbot and Bridgend .. river. river. Wales. Wales. county boroughs. county boroughs. Neath Port Talbot. Neath Port Talbot. Bridgend. Bridgend. It is approximately 18 kilometres long .