Product Overview & Details for MKSAP 19 Audio Companion (Part A) 588 Mp3 19 pdfs The MKSAP® 19 Audio Companion sheds light on the latest diagnostic approaches, management strategies, and treatment guidelines. Part A Gastroenterology and Hepatology Richard J. Saad, MD, MS, FACG General Internal Medicine 1 Majken Textor Wingo, MD, FACP Infectious Disease Fred A. Lopez, MD, MACP Nephrology Michael J. Ross, MD Neurology Robert G. Kaniecki, MD Oncology David Mintzer, MD