Greenspan's Basic and Clinical Endocrinology by 
Guyton and Hall Textbook of Medical Physiology by 
Harrison's Manual of Medicine, 20th Edition by 
Junqueira's Basic Histology: Text and Atlas by 
Harrison's Principles of Internal Medicine by 
Katzung & Trevor's Pharmacology Examination & Board Review by 
Review of Medical Microbiology and Immunology: a Guide to Clinical Infectious Disease by 
Robbins and Cotran Pathologic Basis of Disease by 
