Dr. Pelley received his PhD from the University of North Carolina and is currently a cell biology & biochemistry professor at Texas Tech University Health Sciences Center. He is a co-author of Rapid Review: Biochemistry, 3rd Edition.

Erlick A.C. Pereira, MA, BM BCh, DM, FRCS(Neuro.Surg), SFHEA is Senior Lecturer in Neurosurgery and Consultant Neurosurgeon at Atkinson Morley Neurosciences Centre, St George’s Hospital, University of London. He is the a co-author of Neurosurgery Oral Self Assessment.   MORE

Trish Perl-DeLisle, MD is Chief, Division of Infectious Diseases, Jay P. Sanford Professorship in Infectious Diseases, University of Texas Southwestern Medical Center. She is the author of Preparing for Viral Outbreaks and Bioterrorism. MORE

Dr. Perlman received his MD from the University of Cape Town and is currently a pediatrics professor at the New York-Presbyterian Komansky Center for Children's Health/Weill Cornell Medical Center. He is author of Neurology, 2nd Edition.

Dr. Perloff received his MD from Louisiana State University and is currently a distinguished pediatrics professor at the UCLA School of Medicine. He is author of Perloff's Clinical Recognition of Congenital Heart Disease, 6th Edition.