In France Stethoscope was discovered.
In which country Stethoscope was discovered?
Rene Laennec discovered Stethoscope.
Stethoscope …
Stethoscope was discovered in 1819 AD.
Stethoscope was discovered in which year?
What is Stethoscope?
Who discovered Stethoscope?
स्टेथोस्कोप (Stethoscope) क्या है?
स्टेथोस्कोप (Stethoscope)…