Delaware Valley Urology, LLC., (DVU), has announced the retirement of three founding physicians, Neil Phillips, M.D.; Murillo Mangubat, M.D.; and Guillermo Elkouss, M.D., effective December 31, 2010. As leaders in the field of urology, Phillips, Mangubat and Elkouss are among the specialists who helped lay a solid foundation for DVU to provide the highest level of patient care.