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 being an unhealthy departure from the natural rhythms and functions of the latter. This was a major idea taken over by Virchow, but he claimed it as new (the degree to which Virchow borrowed from the Brunonian system through the works of Röschlaub is documented in the major work by Nelly Tsouyoupoulos which is available only in German). 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