Schering-Plough Corp. has made leadership and organizational changes at Schering-Plough Research Institute (SPRI), the R&D arm of the company.     Jacqueline Elbonne, Ph.D., has been named vice president, global research quality, SPRI. Dr. Elbonne will build and lead a worldwide research quality team overseeing all SPRI activities governed by cGMP, GLP, GCP and Good Pharmacovigilance Practices (GPP). She will also direct the design, implementation and performance management of global rese...