Kasper, D. L. (2015). Harrison's principles of internal medicine (19th edition / editors, Dennis L. Kasper, MD, William Ellery Channing, Professor of Medicine, Professor of Microbiology, Department of Microbiology and Immunobiology, Harvard Medical School, Division of Infectious Diseases, Brigham and Women's Hospital, Boston, Massachusetts [and five others].). Mc Graw Hill.

Kasper, Dennis L. Harrison's Principles of Internal Medicine. 19th edition / editors, Dennis L. Kasper, MD, William Ellery Channing, Professor of Medicine, Professor of Microbiology, Department of Microbiology and Immunobiology, Harvard Medical School, Division of Infectious Diseases, Brigham and Women's Hospital, Boston, Massachusetts [and five others]. New York: Mc Graw Hill, 2015.

Kasper, Dennis L. Harrison's Principles of Internal Medicine. 19th edition / editors, Dennis L. Kasper, MD, William Ellery Channing, Professor of Medicine, Professor of Microbiology, Department of Microbiology and Immunobiology, Harvard Medical School, Division of Infectious Diseases, Brigham and Women's Hospital, Boston, Massachusetts [and five others]. Mc Graw Hill, 2015.