
Bernhard Naunyn
German physician Bernhard Naunyn (1839–1925), pioneer of experimental medicine, defined acidosis, advanced diabetes and gallstone research, and co-founded Naunyn–Schmiedeberg’s Archives

German physician Bernhard Naunyn (1839–1925), pioneer of experimental medicine, defined acidosis, advanced diabetes and gallstone research, and co-founded Naunyn–Schmiedeberg’s Archives

Courvoisier’s sign: palpable gallbladder with painless jaundice suggests malignant obstruction, not gallstones. A key clinical diagnostic clue.