American Society of Hematology disorders of the hematopoietic, hemostatic, and lymphatic systems, and disorders of the interaction between blood and the blood vessel wall. An American hematologist has trained in a subspecialty program approved by the American Board of Internal Medicine or the American Board of Pediatrics, or has acquired a comparable education in the field by alternate means, and is Board Certified (or eligible) in the subspecialty of hematology. Diagnostic expertise of a hematologist A hematologist is expert in the investigation, diagnosis, and management of disorders of the aforementioned organ systems through the use of the medical history, physical findings, specialized clinical laboratory
Brunonian system of medicine Brunonian system of medicine The Brunonian system of medicine is a theory of medicine which regards and treats disorders as caused by defective or excessive excitation. It was developed by the Scottish physician John Brown and is outlined in his 1780 publication "Elementa Medicinae". It drew on the theories of his teacher William Cullen, but whereas Cullen set out to create a systematic nosology of diseases, Brown argued for a unified model in which all disease was related to stimulation. Although Brown's theory never became very popular in Britain, it had temporary success in America, Italy, and the German-speaking part