What, medically, was invented by Rene Laennec in 1816?
Fetal stethoscope Stetoscope Stethoscopes Stethophone Phonendoscope Electronic stethoscope 3D-printed stethoscope Stethescope Stethoscope Ausculator Stethoscope bell Digital Stethoscope Stethascope
stetoscope stethoscopes stethoscope bell 3d printed stethoscope stethoscope stethescope ausculator stethascope digital stethoscope electronic stethoscope stethophone phonendoscope fetal stethoscope
stethoscope
WikipediaEntity
Stethoscope