Rafida, A. , Abo-Jnha, E. , Tainah, K. (2010), 'Assessment of Microbial Pollution of the Dental Chairs Water System (Pseudomonas aeruginosa) in the City of Tripoli, Libya', World Academy of Science, Engineering and Technology, Open Science Index 42, International Journal of Biomedical and Biological Engineering, 4(6), 248 - 251.